Home / 19,725.60-29,545.20-17,536.80

Finding the Fourth Proportional to 19,725.60, 29,545.20 and 17,536.80

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Solution

The fourth proportional to 19,725.60, 29,545.20 and 17,536.80 is: 26,266.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.60 : 29,545.20 = 17,536.80 : x
  2. Step 2: Convert to fraction form
    19,725.60/29,545.20 = 17,536.80/x
  3. Step 3: Cross multiply
    19,725.60x = 29,545.20 × 17,536.80
  4. Step 4: Simplify right side
    19,725.60x = 518,128,263.36
  5. Step 5: Solve for x
    x = 518,128,263.36/19,725.60
  6. Step 6: Final answer
    x = 26,266.79

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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.