Home / 32,997.90-45,532.76-18,659.70

Finding the Fourth Proportional to 32,997.90, 45,532.76 and 18,659.70

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Solution

The fourth proportional to 32,997.90, 45,532.76 and 18,659.70 is: 25,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,997.90 : 45,532.76 = 18,659.70 : x
  2. Step 2: Convert to fraction form
    32,997.90/45,532.76 = 18,659.70/x
  3. Step 3: Cross multiply
    32,997.90x = 45,532.76 × 18,659.70
  4. Step 4: Simplify right side
    32,997.90x = 849,627,641.77
  5. Step 5: Solve for x
    x = 849,627,641.77/32,997.90
  6. Step 6: Final answer
    x = 25,747.93

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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.