Home / 26,468.16-36,525.70-15,139.50

Finding the Fourth Proportional to 26,468.16, 36,525.70 and 15,139.50

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Solution

The fourth proportional to 26,468.16, 36,525.70 and 15,139.50 is: 20,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,468.16 : 36,525.70 = 15,139.50 : x
  2. Step 2: Convert to fraction form
    26,468.16/36,525.70 = 15,139.50/x
  3. Step 3: Cross multiply
    26,468.16x = 36,525.70 × 15,139.50
  4. Step 4: Simplify right side
    26,468.16x = 552,980,835.15
  5. Step 5: Solve for x
    x = 552,980,835.15/26,468.16
  6. Step 6: Final answer
    x = 20,892.30

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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.