Home / 15,403.92-23,108.04-4,870.38

Finding the Fourth Proportional to 15,403.92, 23,108.04 and 4,870.38

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Solution

The fourth proportional to 15,403.92, 23,108.04 and 4,870.38 is: 7,306.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403.92 : 23,108.04 = 4,870.38 : x
  2. Step 2: Convert to fraction form
    15,403.92/23,108.04 = 4,870.38/x
  3. Step 3: Cross multiply
    15,403.92x = 23,108.04 × 4,870.38
  4. Step 4: Simplify right side
    15,403.92x = 112,544,935.86
  5. Step 5: Solve for x
    x = 112,544,935.86/15,403.92
  6. Step 6: Final answer
    x = 7,306.25

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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.