Home / 29,154.60-40,212.05-19,066.86

Finding the Fourth Proportional to 29,154.60, 40,212.05 and 19,066.86

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Solution

The fourth proportional to 29,154.60, 40,212.05 and 19,066.86 is: 26,298.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,154.60 : 40,212.05 = 19,066.86 : x
  2. Step 2: Convert to fraction form
    29,154.60/40,212.05 = 19,066.86/x
  3. Step 3: Cross multiply
    29,154.60x = 40,212.05 × 19,066.86
  4. Step 4: Simplify right side
    29,154.60x = 766,717,432.33
  5. Step 5: Solve for x
    x = 766,717,432.33/29,154.60
  6. Step 6: Final answer
    x = 26,298.33

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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.