Home / 22,117.48-30,521.51-12,045.70

Finding the Fourth Proportional to 22,117.48, 30,521.51 and 12,045.70

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Solution

The fourth proportional to 22,117.48, 30,521.51 and 12,045.70 is: 16,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.48 : 30,521.51 = 12,045.70 : x
  2. Step 2: Convert to fraction form
    22,117.48/30,521.51 = 12,045.70/x
  3. Step 3: Cross multiply
    22,117.48x = 30,521.51 × 12,045.70
  4. Step 4: Simplify right side
    22,117.48x = 367,652,740.17
  5. Step 5: Solve for x
    x = 367,652,740.17/22,117.48
  6. Step 6: Final answer
    x = 16,622.73

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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.