Home / 22,676.16-31,282.20-14,720.88

Finding the Fourth Proportional to 22,676.16, 31,282.20 and 14,720.88

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Solution

The fourth proportional to 22,676.16, 31,282.20 and 14,720.88 is: 20,307.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,676.16 : 31,282.20 = 14,720.88 : x
  2. Step 2: Convert to fraction form
    22,676.16/31,282.20 = 14,720.88/x
  3. Step 3: Cross multiply
    22,676.16x = 31,282.20 × 14,720.88
  4. Step 4: Simplify right side
    22,676.16x = 460,501,512.34
  5. Step 5: Solve for x
    x = 460,501,512.34/22,676.16
  6. Step 6: Final answer
    x = 20,307.74

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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.