Home / 15,986.12-23,970.36-8,588.48

Finding the Fourth Proportional to 15,986.12, 23,970.36 and 8,588.48

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Solution

The fourth proportional to 15,986.12, 23,970.36 and 8,588.48 is: 12,877.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.12 : 23,970.36 = 8,588.48 : x
  2. Step 2: Convert to fraction form
    15,986.12/23,970.36 = 8,588.48/x
  3. Step 3: Cross multiply
    15,986.12x = 23,970.36 × 8,588.48
  4. Step 4: Simplify right side
    15,986.12x = 205,868,957.45
  5. Step 5: Solve for x
    x = 205,868,957.45/15,986.12
  6. Step 6: Final answer
    x = 12,877.98

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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.