Home / 32,711.04-45,137.88-18,372.47

Finding the Fourth Proportional to 32,711.04, 45,137.88 and 18,372.47

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Solution

The fourth proportional to 32,711.04, 45,137.88 and 18,372.47 is: 25,352.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,711.04 : 45,137.88 = 18,372.47 : x
  2. Step 2: Convert to fraction form
    32,711.04/45,137.88 = 18,372.47/x
  3. Step 3: Cross multiply
    32,711.04x = 45,137.88 × 18,372.47
  4. Step 4: Simplify right side
    32,711.04x = 829,294,120.47
  5. Step 5: Solve for x
    x = 829,294,120.47/32,711.04
  6. Step 6: Final answer
    x = 25,352.12

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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.