Home / 27,357.16-37,752.88-14,781.92

Finding the Fourth Proportional to 27,357.16, 37,752.88 and 14,781.92

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Solution

The fourth proportional to 27,357.16, 37,752.88 and 14,781.92 is: 20,399.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,357.16 : 37,752.88 = 14,781.92 : x
  2. Step 2: Convert to fraction form
    27,357.16/37,752.88 = 14,781.92/x
  3. Step 3: Cross multiply
    27,357.16x = 37,752.88 × 14,781.92
  4. Step 4: Simplify right side
    27,357.16x = 558,060,051.93
  5. Step 5: Solve for x
    x = 558,060,051.93/27,357.16
  6. Step 6: Final answer
    x = 20,399.05

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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.