Home / 15,963.24-22,030.20-8,889.84

Finding the Fourth Proportional to 15,963.24, 22,030.20 and 8,889.84

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Solution

The fourth proportional to 15,963.24, 22,030.20 and 8,889.84 is: 12,268.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,963.24 : 22,030.20 = 8,889.84 : x
  2. Step 2: Convert to fraction form
    15,963.24/22,030.20 = 8,889.84/x
  3. Step 3: Cross multiply
    15,963.24x = 22,030.20 × 8,889.84
  4. Step 4: Simplify right side
    15,963.24x = 195,844,953.17
  5. Step 5: Solve for x
    x = 195,844,953.17/15,963.24
  6. Step 6: Final answer
    x = 12,268.50

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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.