Home / 25,103.16-34,642.80-13,925.16

Finding the Fourth Proportional to 25,103.16, 34,642.80 and 13,925.16

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Solution

The fourth proportional to 25,103.16, 34,642.80 and 13,925.16 is: 19,216.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,103.16 : 34,642.80 = 13,925.16 : x
  2. Step 2: Convert to fraction form
    25,103.16/34,642.80 = 13,925.16/x
  3. Step 3: Cross multiply
    25,103.16x = 34,642.80 × 13,925.16
  4. Step 4: Simplify right side
    25,103.16x = 482,406,532.85
  5. Step 5: Solve for x
    x = 482,406,532.85/25,103.16
  6. Step 6: Final answer
    x = 19,216.96

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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.