Home / 15,691.84-23,550.72-6,464.32

Finding the Fourth Proportional to 15,691.84, 23,550.72 and 6,464.32

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Solution

The fourth proportional to 15,691.84, 23,550.72 and 6,464.32 is: 9,701.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,691.84 : 23,550.72 = 6,464.32 : x
  2. Step 2: Convert to fraction form
    15,691.84/23,550.72 = 6,464.32/x
  3. Step 3: Cross multiply
    15,691.84x = 23,550.72 × 6,464.32
  4. Step 4: Simplify right side
    15,691.84x = 152,239,390.31
  5. Step 5: Solve for x
    x = 152,239,390.31/15,691.84
  6. Step 6: Final answer
    x = 9,701.82

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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.