Home / 18,875.50-26,046.09-11,322.15

Finding the Fourth Proportional to 18,875.50, 26,046.09 and 11,322.15

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Solution

The fourth proportional to 18,875.50, 26,046.09 and 11,322.15 is: 15,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.50 : 26,046.09 = 11,322.15 : x
  2. Step 2: Convert to fraction form
    18,875.50/26,046.09 = 11,322.15/x
  3. Step 3: Cross multiply
    18,875.50x = 26,046.09 × 11,322.15
  4. Step 4: Simplify right side
    18,875.50x = 294,897,640.22
  5. Step 5: Solve for x
    x = 294,897,640.22/18,875.50
  6. Step 6: Final answer
    x = 15,623.30

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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.