Home / 20,070.59-30,124.56-10,217.24

Finding the Fourth Proportional to 20,070.59, 30,124.56 and 10,217.24

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Solution

The fourth proportional to 20,070.59, 30,124.56 and 10,217.24 is: 15,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070.59 : 30,124.56 = 10,217.24 : x
  2. Step 2: Convert to fraction form
    20,070.59/30,124.56 = 10,217.24/x
  3. Step 3: Cross multiply
    20,070.59x = 30,124.56 × 10,217.24
  4. Step 4: Simplify right side
    20,070.59x = 307,789,802.60
  5. Step 5: Solve for x
    x = 307,789,802.60/20,070.59
  6. Step 6: Final answer
    x = 15,335.37

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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.