Home / 25,385.38-38,085.86-11,357.22

Finding the Fourth Proportional to 25,385.38, 38,085.86 and 11,357.22

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Solution

The fourth proportional to 25,385.38, 38,085.86 and 11,357.22 is: 17,039.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,385.38 : 38,085.86 = 11,357.22 : x
  2. Step 2: Convert to fraction form
    25,385.38/38,085.86 = 11,357.22/x
  3. Step 3: Cross multiply
    25,385.38x = 38,085.86 × 11,357.22
  4. Step 4: Simplify right side
    25,385.38x = 432,549,490.91
  5. Step 5: Solve for x
    x = 432,549,490.91/25,385.38
  6. Step 6: Final answer
    x = 17,039.32

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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.