Home / 32,981.61-45,515.49-18,834.15

Finding the Fourth Proportional to 32,981.61, 45,515.49 and 18,834.15

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Solution

The fourth proportional to 32,981.61, 45,515.49 and 18,834.15 is: 25,991.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,981.61 : 45,515.49 = 18,834.15 : x
  2. Step 2: Convert to fraction form
    32,981.61/45,515.49 = 18,834.15/x
  3. Step 3: Cross multiply
    32,981.61x = 45,515.49 × 18,834.15
  4. Step 4: Simplify right side
    32,981.61x = 857,245,565.98
  5. Step 5: Solve for x
    x = 857,245,565.98/32,981.61
  6. Step 6: Final answer
    x = 25,991.62

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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.