Home / 27,603.09-38,088.18-15,664.14

Finding the Fourth Proportional to 27,603.09, 38,088.18 and 15,664.14

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Solution

The fourth proportional to 27,603.09, 38,088.18 and 15,664.14 is: 21,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,603.09 : 38,088.18 = 15,664.14 : x
  2. Step 2: Convert to fraction form
    27,603.09/38,088.18 = 15,664.14/x
  3. Step 3: Cross multiply
    27,603.09x = 38,088.18 × 15,664.14
  4. Step 4: Simplify right side
    27,603.09x = 596,618,583.87
  5. Step 5: Solve for x
    x = 596,618,583.87/27,603.09
  6. Step 6: Final answer
    x = 21,614.20

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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.