Home / 32,720.30-45,154.23-18,573.38

Finding the Fourth Proportional to 32,720.30, 45,154.23 and 18,573.38

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Solution

The fourth proportional to 32,720.30, 45,154.23 and 18,573.38 is: 25,631.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,720.30 : 45,154.23 = 18,573.38 : x
  2. Step 2: Convert to fraction form
    32,720.30/45,154.23 = 18,573.38/x
  3. Step 3: Cross multiply
    32,720.30x = 45,154.23 × 18,573.38
  4. Step 4: Simplify right side
    32,720.30x = 838,666,672.40
  5. Step 5: Solve for x
    x = 838,666,672.40/32,720.30
  6. Step 6: Final answer
    x = 25,631.39

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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.