Home / 15,614.28-21,549.78-10,041.48

Finding the Fourth Proportional to 15,614.28, 21,549.78 and 10,041.48

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Solution

The fourth proportional to 15,614.28, 21,549.78 and 10,041.48 is: 13,858.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614.28 : 21,549.78 = 10,041.48 : x
  2. Step 2: Convert to fraction form
    15,614.28/21,549.78 = 10,041.48/x
  3. Step 3: Cross multiply
    15,614.28x = 21,549.78 × 10,041.48
  4. Step 4: Simplify right side
    15,614.28x = 216,391,684.87
  5. Step 5: Solve for x
    x = 216,391,684.87/15,614.28
  6. Step 6: Final answer
    x = 13,858.58

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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.