Home / 25,147.98-34,702.08-13,817.16

Finding the Fourth Proportional to 25,147.98, 34,702.08 and 13,817.16

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Solution

The fourth proportional to 25,147.98, 34,702.08 and 13,817.16 is: 19,066.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,147.98 : 34,702.08 = 13,817.16 : x
  2. Step 2: Convert to fraction form
    25,147.98/34,702.08 = 13,817.16/x
  3. Step 3: Cross multiply
    25,147.98x = 34,702.08 × 13,817.16
  4. Step 4: Simplify right side
    25,147.98x = 479,484,191.69
  5. Step 5: Solve for x
    x = 479,484,191.69/25,147.98
  6. Step 6: Final answer
    x = 19,066.51

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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.