Home / 22,901.04-31,600.56-12,828.48

Finding the Fourth Proportional to 22,901.04, 31,600.56 and 12,828.48

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Solution

The fourth proportional to 22,901.04, 31,600.56 and 12,828.48 is: 17,701.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,901.04 : 31,600.56 = 12,828.48 : x
  2. Step 2: Convert to fraction form
    22,901.04/31,600.56 = 12,828.48/x
  3. Step 3: Cross multiply
    22,901.04x = 31,600.56 × 12,828.48
  4. Step 4: Simplify right side
    22,901.04x = 405,387,151.95
  5. Step 5: Solve for x
    x = 405,387,151.95/22,901.04
  6. Step 6: Final answer
    x = 17,701.69

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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.