Home / 25,153.73-34,711.93-13,668.54

Finding the Fourth Proportional to 25,153.73, 34,711.93 and 13,668.54

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Solution

The fourth proportional to 25,153.73, 34,711.93 and 13,668.54 is: 18,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,153.73 : 34,711.93 = 13,668.54 : x
  2. Step 2: Convert to fraction form
    25,153.73/34,711.93 = 13,668.54/x
  3. Step 3: Cross multiply
    25,153.73x = 34,711.93 × 13,668.54
  4. Step 4: Simplify right side
    25,153.73x = 474,461,264.29
  5. Step 5: Solve for x
    x = 474,461,264.29/25,153.73
  6. Step 6: Final answer
    x = 18,862.47

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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.