Home / 32,711.04-45,139.68-18,561.96

Finding the Fourth Proportional to 32,711.04, 45,139.68 and 18,561.96

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Solution

The fourth proportional to 32,711.04, 45,139.68 and 18,561.96 is: 25,614.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,711.04 : 45,139.68 = 18,561.96 : x
  2. Step 2: Convert to fraction form
    32,711.04/45,139.68 = 18,561.96/x
  3. Step 3: Cross multiply
    32,711.04x = 45,139.68 × 18,561.96
  4. Step 4: Simplify right side
    32,711.04x = 837,880,934.57
  5. Step 5: Solve for x
    x = 837,880,934.57/32,711.04
  6. Step 6: Final answer
    x = 25,614.62

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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.