Home / 22,700.56-31,325.08-12,628.74

Finding the Fourth Proportional to 22,700.56, 31,325.08 and 12,628.74

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Solution

The fourth proportional to 22,700.56, 31,325.08 and 12,628.74 is: 17,426.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,700.56 : 31,325.08 = 12,628.74 : x
  2. Step 2: Convert to fraction form
    22,700.56/31,325.08 = 12,628.74/x
  3. Step 3: Cross multiply
    22,700.56x = 31,325.08 × 12,628.74
  4. Step 4: Simplify right side
    22,700.56x = 395,596,290.80
  5. Step 5: Solve for x
    x = 395,596,290.80/22,700.56
  6. Step 6: Final answer
    x = 17,426.72

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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.