Home / 22,010.40-33,007.10-12,657.33

Finding the Fourth Proportional to 22,010.40, 33,007.10 and 12,657.33

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Solution

The fourth proportional to 22,010.40, 33,007.10 and 12,657.33 is: 18,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,010.40 : 33,007.10 = 12,657.33 : x
  2. Step 2: Convert to fraction form
    22,010.40/33,007.10 = 12,657.33/x
  3. Step 3: Cross multiply
    22,010.40x = 33,007.10 × 12,657.33
  4. Step 4: Simplify right side
    22,010.40x = 417,781,693.76
  5. Step 5: Solve for x
    x = 417,781,693.76/22,010.40
  6. Step 6: Final answer
    x = 18,981.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.