Home / 22,869.48-31,560.20-12,798.34

Finding the Fourth Proportional to 22,869.48, 31,560.20 and 12,798.34

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Solution

The fourth proportional to 22,869.48, 31,560.20 and 12,798.34 is: 17,661.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,869.48 : 31,560.20 = 12,798.34 : x
  2. Step 2: Convert to fraction form
    22,869.48/31,560.20 = 12,798.34/x
  3. Step 3: Cross multiply
    22,869.48x = 31,560.20 × 12,798.34
  4. Step 4: Simplify right side
    22,869.48x = 403,918,170.07
  5. Step 5: Solve for x
    x = 403,918,170.07/22,869.48
  6. Step 6: Final answer
    x = 17,661.89

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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.