Home / 22,246.02-30,696.47-13,291.62

Finding the Fourth Proportional to 22,246.02, 30,696.47 and 13,291.62

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Solution

The fourth proportional to 22,246.02, 30,696.47 and 13,291.62 is: 18,340.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,246.02 : 30,696.47 = 13,291.62 : x
  2. Step 2: Convert to fraction form
    22,246.02/30,696.47 = 13,291.62/x
  3. Step 3: Cross multiply
    22,246.02x = 30,696.47 × 13,291.62
  4. Step 4: Simplify right side
    22,246.02x = 408,005,748.12
  5. Step 5: Solve for x
    x = 408,005,748.12/22,246.02
  6. Step 6: Final answer
    x = 18,340.62

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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.