Home / 22,547.42-31,115.06-12,475.68

Finding the Fourth Proportional to 22,547.42, 31,115.06 and 12,475.68

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Solution

The fourth proportional to 22,547.42, 31,115.06 and 12,475.68 is: 17,216.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,547.42 : 31,115.06 = 12,475.68 : x
  2. Step 2: Convert to fraction form
    22,547.42/31,115.06 = 12,475.68/x
  3. Step 3: Cross multiply
    22,547.42x = 31,115.06 × 12,475.68
  4. Step 4: Simplify right side
    22,547.42x = 388,181,531.74
  5. Step 5: Solve for x
    x = 388,181,531.74/22,547.42
  6. Step 6: Final answer
    x = 17,216.23

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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.