Home / 15,966.64-22,039.07-10,301.55

Finding the Fourth Proportional to 15,966.64, 22,039.07 and 10,301.55

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Solution

The fourth proportional to 15,966.64, 22,039.07 and 10,301.55 is: 14,219.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966.64 : 22,039.07 = 10,301.55 : x
  2. Step 2: Convert to fraction form
    15,966.64/22,039.07 = 10,301.55/x
  3. Step 3: Cross multiply
    15,966.64x = 22,039.07 × 10,301.55
  4. Step 4: Simplify right side
    15,966.64x = 227,036,581.56
  5. Step 5: Solve for x
    x = 227,036,581.56/15,966.64
  6. Step 6: Final answer
    x = 14,219.43

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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.