Home / 15,089.49-20,824.11-10,045.62

Finding the Fourth Proportional to 15,089.49, 20,824.11 and 10,045.62

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Solution

The fourth proportional to 15,089.49, 20,824.11 and 10,045.62 is: 13,863.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,089.49 : 20,824.11 = 10,045.62 : x
  2. Step 2: Convert to fraction form
    15,089.49/20,824.11 = 10,045.62/x
  3. Step 3: Cross multiply
    15,089.49x = 20,824.11 × 10,045.62
  4. Step 4: Simplify right side
    15,089.49x = 209,191,095.90
  5. Step 5: Solve for x
    x = 209,191,095.90/15,089.49
  6. Step 6: Final answer
    x = 13,863.36

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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.