Home / 15,141.67-22,712.63-5,280.93

Finding the Fourth Proportional to 15,141.67, 22,712.63 and 5,280.93

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Solution

The fourth proportional to 15,141.67, 22,712.63 and 5,280.93 is: 7,921.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141.67 : 22,712.63 = 5,280.93 : x
  2. Step 2: Convert to fraction form
    15,141.67/22,712.63 = 5,280.93/x
  3. Step 3: Cross multiply
    15,141.67x = 22,712.63 × 5,280.93
  4. Step 4: Simplify right side
    15,141.67x = 119,943,809.15
  5. Step 5: Solve for x
    x = 119,943,809.15/15,141.67
  6. Step 6: Final answer
    x = 7,921.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.