Home / 19,359.57-26,706.36-12,649.13

Finding the Fourth Proportional to 19,359.57, 26,706.36 and 12,649.13

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Solution

The fourth proportional to 19,359.57, 26,706.36 and 12,649.13 is: 17,449.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.57 : 26,706.36 = 12,649.13 : x
  2. Step 2: Convert to fraction form
    19,359.57/26,706.36 = 12,649.13/x
  3. Step 3: Cross multiply
    19,359.57x = 26,706.36 × 12,649.13
  4. Step 4: Simplify right side
    19,359.57x = 337,812,233.52
  5. Step 5: Solve for x
    x = 337,812,233.52/19,359.57
  6. Step 6: Final answer
    x = 17,449.36

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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.