Home / 22,100.31-30,484.66-13,482.56

Finding the Fourth Proportional to 22,100.31, 30,484.66 and 13,482.56

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Solution

The fourth proportional to 22,100.31, 30,484.66 and 13,482.56 is: 18,597.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,100.31 : 30,484.66 = 13,482.56 : x
  2. Step 2: Convert to fraction form
    22,100.31/30,484.66 = 13,482.56/x
  3. Step 3: Cross multiply
    22,100.31x = 30,484.66 × 13,482.56
  4. Step 4: Simplify right side
    22,100.31x = 411,011,037.69
  5. Step 5: Solve for x
    x = 411,011,037.69/22,100.31
  6. Step 6: Final answer
    x = 18,597.52

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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.