Home / 28,462.26-42,719.64-14,432.13

Finding the Fourth Proportional to 28,462.26, 42,719.64 and 14,432.13

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Solution

The fourth proportional to 28,462.26, 42,719.64 and 14,432.13 is: 21,661.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,462.26 : 42,719.64 = 14,432.13 : x
  2. Step 2: Convert to fraction form
    28,462.26/42,719.64 = 14,432.13/x
  3. Step 3: Cross multiply
    28,462.26x = 42,719.64 × 14,432.13
  4. Step 4: Simplify right side
    28,462.26x = 616,535,398.03
  5. Step 5: Solve for x
    x = 616,535,398.03/28,462.26
  6. Step 6: Final answer
    x = 21,661.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.