Home / 22,247.07-30,700.95-12,175.51

Finding the Fourth Proportional to 22,247.07, 30,700.95 and 12,175.51

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Solution

The fourth proportional to 22,247.07, 30,700.95 and 12,175.51 is: 16,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,247.07 : 30,700.95 = 12,175.51 : x
  2. Step 2: Convert to fraction form
    22,247.07/30,700.95 = 12,175.51/x
  3. Step 3: Cross multiply
    22,247.07x = 30,700.95 × 12,175.51
  4. Step 4: Simplify right side
    22,247.07x = 373,799,723.73
  5. Step 5: Solve for x
    x = 373,799,723.73/22,247.07
  6. Step 6: Final answer
    x = 16,802.20

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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.