Home / 16,886.95-23,274.65-12,342.19

Finding the Fourth Proportional to 16,886.95, 23,274.65 and 12,342.19

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Solution

The fourth proportional to 16,886.95, 23,274.65 and 12,342.19 is: 17,010.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.95 : 23,274.65 = 12,342.19 : x
  2. Step 2: Convert to fraction form
    16,886.95/23,274.65 = 12,342.19/x
  3. Step 3: Cross multiply
    16,886.95x = 23,274.65 × 12,342.19
  4. Step 4: Simplify right side
    16,886.95x = 287,260,152.48
  5. Step 5: Solve for x
    x = 287,260,152.48/16,886.95
  6. Step 6: Final answer
    x = 17,010.78

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Half scale
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Double scale
Find fourth proportional to 16,887.95, 23,276.03 and 12,343.19
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.