Home / 22,555.67-31,094.33-15,820.43

Finding the Fourth Proportional to 22,555.67, 31,094.33 and 15,820.43

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Solution

The fourth proportional to 22,555.67, 31,094.33 and 15,820.43 is: 21,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,555.67 : 31,094.33 = 15,820.43 : x
  2. Step 2: Convert to fraction form
    22,555.67/31,094.33 = 15,820.43/x
  3. Step 3: Cross multiply
    22,555.67x = 31,094.33 × 15,820.43
  4. Step 4: Simplify right side
    22,555.67x = 491,925,436.59
  5. Step 5: Solve for x
    x = 491,925,436.59/22,555.67
  6. Step 6: Final answer
    x = 21,809.40

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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.