Home / 32,763.69-45,215.28-18,616.50

Finding the Fourth Proportional to 32,763.69, 45,215.28 and 18,616.50

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Solution

The fourth proportional to 32,763.69, 45,215.28 and 18,616.50 is: 25,691.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,763.69 : 45,215.28 = 18,616.50 : x
  2. Step 2: Convert to fraction form
    32,763.69/45,215.28 = 18,616.50/x
  3. Step 3: Cross multiply
    32,763.69x = 45,215.28 × 18,616.50
  4. Step 4: Simplify right side
    32,763.69x = 841,750,260.12
  5. Step 5: Solve for x
    x = 841,750,260.12/32,763.69
  6. Step 6: Final answer
    x = 25,691.56

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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.