Home / 22,867.28-31,558.08-13,913.36

Finding the Fourth Proportional to 22,867.28, 31,558.08 and 13,913.36

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Solution

The fourth proportional to 22,867.28, 31,558.08 and 13,913.36 is: 19,201.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,867.28 : 31,558.08 = 13,913.36 : x
  2. Step 2: Convert to fraction form
    22,867.28/31,558.08 = 13,913.36/x
  3. Step 3: Cross multiply
    22,867.28x = 31,558.08 × 13,913.36
  4. Step 4: Simplify right side
    22,867.28x = 439,078,927.95
  5. Step 5: Solve for x
    x = 439,078,927.95/22,867.28
  6. Step 6: Final answer
    x = 19,201.19

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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.