Home / 15,411.30-23,118.57-5,020.62

Finding the Fourth Proportional to 15,411.30, 23,118.57 and 5,020.62

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Solution

The fourth proportional to 15,411.30, 23,118.57 and 5,020.62 is: 7,531.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,411.30 : 23,118.57 = 5,020.62 : x
  2. Step 2: Convert to fraction form
    15,411.30/23,118.57 = 5,020.62/x
  3. Step 3: Cross multiply
    15,411.30x = 23,118.57 × 5,020.62
  4. Step 4: Simplify right side
    15,411.30x = 116,069,554.91
  5. Step 5: Solve for x
    x = 116,069,554.91/15,411.30
  6. Step 6: Final answer
    x = 7,531.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.