Home / 16,601.35-22,907.18-9,886.80

Finding the Fourth Proportional to 16,601.35, 22,907.18 and 9,886.80

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Solution

The fourth proportional to 16,601.35, 22,907.18 and 9,886.80 is: 13,642.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,601.35 : 22,907.18 = 9,886.80 : x
  2. Step 2: Convert to fraction form
    16,601.35/22,907.18 = 9,886.80/x
  3. Step 3: Cross multiply
    16,601.35x = 22,907.18 × 9,886.80
  4. Step 4: Simplify right side
    16,601.35x = 226,478,657.79
  5. Step 5: Solve for x
    x = 226,478,657.79/16,601.35
  6. Step 6: Final answer
    x = 13,642.19

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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.