Home / 22,314.24-30,785.28-13,916.16

Finding the Fourth Proportional to 22,314.24, 30,785.28 and 13,916.16

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Solution

The fourth proportional to 22,314.24, 30,785.28 and 13,916.16 is: 19,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,314.24 : 30,785.28 = 13,916.16 : x
  2. Step 2: Convert to fraction form
    22,314.24/30,785.28 = 13,916.16/x
  3. Step 3: Cross multiply
    22,314.24x = 30,785.28 × 13,916.16
  4. Step 4: Simplify right side
    22,314.24x = 428,412,882.12
  5. Step 5: Solve for x
    x = 428,412,882.12/22,314.24
  6. Step 6: Final answer
    x = 19,199.08

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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.