Home / 25,631.83-38,445.66-11,404.72

Finding the Fourth Proportional to 25,631.83, 38,445.66 and 11,404.72

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Solution

The fourth proportional to 25,631.83, 38,445.66 and 11,404.72 is: 17,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,631.83 : 38,445.66 = 11,404.72 : x
  2. Step 2: Convert to fraction form
    25,631.83/38,445.66 = 11,404.72/x
  3. Step 3: Cross multiply
    25,631.83x = 38,445.66 × 11,404.72
  4. Step 4: Simplify right side
    25,631.83x = 438,461,891.40
  5. Step 5: Solve for x
    x = 438,461,891.40/25,631.83
  6. Step 6: Final answer
    x = 17,106.15

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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.