Home / 22,050.16-30,437.96-15,339.68

Finding the Fourth Proportional to 22,050.16, 30,437.96 and 15,339.68

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Solution

The fourth proportional to 22,050.16, 30,437.96 and 15,339.68 is: 21,174.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,050.16 : 30,437.96 = 15,339.68 : x
  2. Step 2: Convert to fraction form
    22,050.16/30,437.96 = 15,339.68/x
  3. Step 3: Cross multiply
    22,050.16x = 30,437.96 × 15,339.68
  4. Step 4: Simplify right side
    22,050.16x = 466,908,566.25
  5. Step 5: Solve for x
    x = 466,908,566.25/22,050.16
  6. Step 6: Final answer
    x = 21,174.84

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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.