Home / 32,927.05-45,438.87-18,780.13

Finding the Fourth Proportional to 32,927.05, 45,438.87 and 18,780.13

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Solution

The fourth proportional to 32,927.05, 45,438.87 and 18,780.13 is: 25,916.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,927.05 : 45,438.87 = 18,780.13 : x
  2. Step 2: Convert to fraction form
    32,927.05/45,438.87 = 18,780.13/x
  3. Step 3: Cross multiply
    32,927.05x = 45,438.87 × 18,780.13
  4. Step 4: Simplify right side
    32,927.05x = 853,347,885.65
  5. Step 5: Solve for x
    x = 853,347,885.65/32,927.05
  6. Step 6: Final answer
    x = 25,916.32

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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.