Home / 32,715.85-45,144.28-18,372.77

Finding the Fourth Proportional to 32,715.85, 45,144.28 and 18,372.77

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Solution

The fourth proportional to 32,715.85, 45,144.28 and 18,372.77 is: 25,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,715.85 : 45,144.28 = 18,372.77 : x
  2. Step 2: Convert to fraction form
    32,715.85/45,144.28 = 18,372.77/x
  3. Step 3: Cross multiply
    32,715.85x = 45,144.28 × 18,372.77
  4. Step 4: Simplify right side
    32,715.85x = 829,425,473.26
  5. Step 5: Solve for x
    x = 829,425,473.26/32,715.85
  6. Step 6: Final answer
    x = 25,352.40

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Half scale
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Double scale
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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.