Home / 22,439.11-30,959.53-14,485.86

Finding the Fourth Proportional to 22,439.11, 30,959.53 and 14,485.86

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Solution

The fourth proportional to 22,439.11, 30,959.53 and 14,485.86 is: 19,986.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,439.11 : 30,959.53 = 14,485.86 : x
  2. Step 2: Convert to fraction form
    22,439.11/30,959.53 = 14,485.86/x
  3. Step 3: Cross multiply
    22,439.11x = 30,959.53 × 14,485.86
  4. Step 4: Simplify right side
    22,439.11x = 448,475,417.25
  5. Step 5: Solve for x
    x = 448,475,417.25/22,439.11
  6. Step 6: Final answer
    x = 19,986.33

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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.