Home / 22,718.12-34,074.75-7,927.32

Finding the Fourth Proportional to 22,718.12, 34,074.75 and 7,927.32

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Solution

The fourth proportional to 22,718.12, 34,074.75 and 7,927.32 is: 11,890.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,718.12 : 34,074.75 = 7,927.32 : x
  2. Step 2: Convert to fraction form
    22,718.12/34,074.75 = 7,927.32/x
  3. Step 3: Cross multiply
    22,718.12x = 34,074.75 × 7,927.32
  4. Step 4: Simplify right side
    22,718.12x = 270,121,390.71
  5. Step 5: Solve for x
    x = 270,121,390.71/22,718.12
  6. Step 6: Final answer
    x = 11,890.13

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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.