Home / 32,715.04-45,145.20-18,565.96

Finding the Fourth Proportional to 32,715.04, 45,145.20 and 18,565.96

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Solution

The fourth proportional to 32,715.04, 45,145.20 and 18,565.96 is: 25,620.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,715.04 : 45,145.20 = 18,565.96 : x
  2. Step 2: Convert to fraction form
    32,715.04/45,145.20 = 18,565.96/x
  3. Step 3: Cross multiply
    32,715.04x = 45,145.20 × 18,565.96
  4. Step 4: Simplify right side
    32,715.04x = 838,163,977.39
  5. Step 5: Solve for x
    x = 838,163,977.39/32,715.04
  6. Step 6: Final answer
    x = 25,620.14

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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.