Home / 25,122.65-34,669.40-13,792.64

Finding the Fourth Proportional to 25,122.65, 34,669.40 and 13,792.64

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Solution

The fourth proportional to 25,122.65, 34,669.40 and 13,792.64 is: 19,033.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,122.65 : 34,669.40 = 13,792.64 : x
  2. Step 2: Convert to fraction form
    25,122.65/34,669.40 = 13,792.64/x
  3. Step 3: Cross multiply
    25,122.65x = 34,669.40 × 13,792.64
  4. Step 4: Simplify right side
    25,122.65x = 478,182,310.91
  5. Step 5: Solve for x
    x = 478,182,310.91/25,122.65
  6. Step 6: Final answer
    x = 19,033.92

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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.