Home / 27,484.31-37,928.54-14,909.15

Finding the Fourth Proportional to 27,484.31, 37,928.54 and 14,909.15

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Solution

The fourth proportional to 27,484.31, 37,928.54 and 14,909.15 is: 20,574.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,484.31 : 37,928.54 = 14,909.15 : x
  2. Step 2: Convert to fraction form
    27,484.31/37,928.54 = 14,909.15/x
  3. Step 3: Cross multiply
    27,484.31x = 37,928.54 × 14,909.15
  4. Step 4: Simplify right side
    27,484.31x = 565,482,139.77
  5. Step 5: Solve for x
    x = 565,482,139.77/27,484.31
  6. Step 6: Final answer
    x = 20,574.73

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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.