Home / 32,916.75-45,425.13-18,012.75

Finding the Fourth Proportional to 32,916.75, 45,425.13 and 18,012.75

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Solution

The fourth proportional to 32,916.75, 45,425.13 and 18,012.75 is: 24,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,916.75 : 45,425.13 = 18,012.75 : x
  2. Step 2: Convert to fraction form
    32,916.75/45,425.13 = 18,012.75/x
  3. Step 3: Cross multiply
    32,916.75x = 45,425.13 × 18,012.75
  4. Step 4: Simplify right side
    32,916.75x = 818,231,510.41
  5. Step 5: Solve for x
    x = 818,231,510.41/32,916.75
  6. Step 6: Final answer
    x = 24,857.60

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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.