Home / 22,688.08-31,304.94-13,254.82

Finding the Fourth Proportional to 22,688.08, 31,304.94 and 13,254.82

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Solution

The fourth proportional to 22,688.08, 31,304.94 and 13,254.82 is: 18,288.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,688.08 : 31,304.94 = 13,254.82 : x
  2. Step 2: Convert to fraction form
    22,688.08/31,304.94 = 13,254.82/x
  3. Step 3: Cross multiply
    22,688.08x = 31,304.94 × 13,254.82
  4. Step 4: Simplify right side
    22,688.08x = 414,941,216.84
  5. Step 5: Solve for x
    x = 414,941,216.84/22,688.08
  6. Step 6: Final answer
    x = 18,288.95

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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.