Home / 25,215.48-34,798.14-18,916.92

Finding the Fourth Proportional to 25,215.48, 34,798.14 and 18,916.92

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Solution

The fourth proportional to 25,215.48, 34,798.14 and 18,916.92 is: 26,105.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,215.48 : 34,798.14 = 18,916.92 : x
  2. Step 2: Convert to fraction form
    25,215.48/34,798.14 = 18,916.92/x
  3. Step 3: Cross multiply
    25,215.48x = 34,798.14 × 18,916.92
  4. Step 4: Simplify right side
    25,215.48x = 658,273,630.53
  5. Step 5: Solve for x
    x = 658,273,630.53/25,215.48
  6. Step 6: Final answer
    x = 26,105.93

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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.