Home / 25,991.76-38,890.08-15,423.06

Finding the Fourth Proportional to 25,991.76, 38,890.08 and 15,423.06

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Solution

The fourth proportional to 25,991.76, 38,890.08 and 15,423.06 is: 23,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,991.76 : 38,890.08 = 15,423.06 : x
  2. Step 2: Convert to fraction form
    25,991.76/38,890.08 = 15,423.06/x
  3. Step 3: Cross multiply
    25,991.76x = 38,890.08 × 15,423.06
  4. Step 4: Simplify right side
    25,991.76x = 599,804,037.24
  5. Step 5: Solve for x
    x = 599,804,037.24/25,991.76
  6. Step 6: Final answer
    x = 23,076.70

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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.