Home / 32,920.52-45,430.68-18,774.20

Finding the Fourth Proportional to 32,920.52, 45,430.68 and 18,774.20

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Solution

The fourth proportional to 32,920.52, 45,430.68 and 18,774.20 is: 25,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,920.52 : 45,430.68 = 18,774.20 : x
  2. Step 2: Convert to fraction form
    32,920.52/45,430.68 = 18,774.20/x
  3. Step 3: Cross multiply
    32,920.52x = 45,430.68 × 18,774.20
  4. Step 4: Simplify right side
    32,920.52x = 852,924,672.46
  5. Step 5: Solve for x
    x = 852,924,672.46/32,920.52
  6. Step 6: Final answer
    x = 25,908.60

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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.