Home / 13,026.28-19,543.02-5,240.52

Finding the Fourth Proportional to 13,026.28, 19,543.02 and 5,240.52

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Solution

The fourth proportional to 13,026.28, 19,543.02 and 5,240.52 is: 7,862.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.28 : 19,543.02 = 5,240.52 : x
  2. Step 2: Convert to fraction form
    13,026.28/19,543.02 = 5,240.52/x
  3. Step 3: Cross multiply
    13,026.28x = 19,543.02 × 5,240.52
  4. Step 4: Simplify right side
    13,026.28x = 102,415,587.17
  5. Step 5: Solve for x
    x = 102,415,587.17/13,026.28
  6. Step 6: Final answer
    x = 7,862.23

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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.