Home / 22,117.68-30,528.72-13,051.44

Finding the Fourth Proportional to 22,117.68, 30,528.72 and 13,051.44

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Solution

The fourth proportional to 22,117.68, 30,528.72 and 13,051.44 is: 18,014.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.68 : 30,528.72 = 13,051.44 : x
  2. Step 2: Convert to fraction form
    22,117.68/30,528.72 = 13,051.44/x
  3. Step 3: Cross multiply
    22,117.68x = 30,528.72 × 13,051.44
  4. Step 4: Simplify right side
    22,117.68x = 398,443,757.36
  5. Step 5: Solve for x
    x = 398,443,757.36/22,117.68
  6. Step 6: Final answer
    x = 18,014.72

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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.