Home / 22,888.14-31,583.52-13,329.12

Finding the Fourth Proportional to 22,888.14, 31,583.52 and 13,329.12

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Solution

The fourth proportional to 22,888.14, 31,583.52 and 13,329.12 is: 18,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,888.14 : 31,583.52 = 13,329.12 : x
  2. Step 2: Convert to fraction form
    22,888.14/31,583.52 = 13,329.12/x
  3. Step 3: Cross multiply
    22,888.14x = 31,583.52 × 13,329.12
  4. Step 4: Simplify right side
    22,888.14x = 420,980,528.10
  5. Step 5: Solve for x
    x = 420,980,528.10/22,888.14
  6. Step 6: Final answer
    x = 18,392.95

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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.