Home / 15,557.80-23,278.38-8,637.16

Finding the Fourth Proportional to 15,557.80, 23,278.38 and 8,637.16

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Solution

The fourth proportional to 15,557.80, 23,278.38 and 8,637.16 is: 12,923.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557.80 : 23,278.38 = 8,637.16 : x
  2. Step 2: Convert to fraction form
    15,557.80/23,278.38 = 8,637.16/x
  3. Step 3: Cross multiply
    15,557.80x = 23,278.38 × 8,637.16
  4. Step 4: Simplify right side
    15,557.80x = 201,059,092.60
  5. Step 5: Solve for x
    x = 201,059,092.60/15,557.80
  6. Step 6: Final answer
    x = 12,923.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.