Home / 32,869.72-45,363.54-18,723.88

Finding the Fourth Proportional to 32,869.72, 45,363.54 and 18,723.88

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Solution

The fourth proportional to 32,869.72, 45,363.54 and 18,723.88 is: 25,840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,869.72 : 45,363.54 = 18,723.88 : x
  2. Step 2: Convert to fraction form
    32,869.72/45,363.54 = 18,723.88/x
  3. Step 3: Cross multiply
    32,869.72x = 45,363.54 × 18,723.88
  4. Step 4: Simplify right side
    32,869.72x = 849,381,479.34
  5. Step 5: Solve for x
    x = 849,381,479.34/32,869.72
  6. Step 6: Final answer
    x = 25,840.85

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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.