Home / 22,718.58-31,350.98-12,646.64

Finding the Fourth Proportional to 22,718.58, 31,350.98 and 12,646.64

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Solution

The fourth proportional to 22,718.58, 31,350.98 and 12,646.64 is: 17,452.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,718.58 : 31,350.98 = 12,646.64 : x
  2. Step 2: Convert to fraction form
    22,718.58/31,350.98 = 12,646.64/x
  3. Step 3: Cross multiply
    22,718.58x = 31,350.98 × 12,646.64
  4. Step 4: Simplify right side
    22,718.58x = 396,484,557.71
  5. Step 5: Solve for x
    x = 396,484,557.71/22,718.58
  6. Step 6: Final answer
    x = 17,452.00

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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.