Home / 15,963.33-22,030.08-8,889.75

Finding the Fourth Proportional to 15,963.33, 22,030.08 and 8,889.75

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Solution

The fourth proportional to 15,963.33, 22,030.08 and 8,889.75 is: 12,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,963.33 : 22,030.08 = 8,889.75 : x
  2. Step 2: Convert to fraction form
    15,963.33/22,030.08 = 8,889.75/x
  3. Step 3: Cross multiply
    15,963.33x = 22,030.08 × 8,889.75
  4. Step 4: Simplify right side
    15,963.33x = 195,841,870.34
  5. Step 5: Solve for x
    x = 195,841,870.34/15,963.33
  6. Step 6: Final answer
    x = 12,268.24

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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.