Home / 32,688.36-45,114.17-18,545.76

Finding the Fourth Proportional to 32,688.36, 45,114.17 and 18,545.76

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Solution

The fourth proportional to 32,688.36, 45,114.17 and 18,545.76 is: 25,595.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,688.36 : 45,114.17 = 18,545.76 : x
  2. Step 2: Convert to fraction form
    32,688.36/45,114.17 = 18,545.76/x
  3. Step 3: Cross multiply
    32,688.36x = 45,114.17 × 18,545.76
  4. Step 4: Simplify right side
    32,688.36x = 836,676,476.69
  5. Step 5: Solve for x
    x = 836,676,476.69/32,688.36
  6. Step 6: Final answer
    x = 25,595.55

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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.