Home / 26,178.24-36,126.93-15,002.40

Finding the Fourth Proportional to 26,178.24, 36,126.93 and 15,002.40

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Solution

The fourth proportional to 26,178.24, 36,126.93 and 15,002.40 is: 20,703.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,178.24 : 36,126.93 = 15,002.40 : x
  2. Step 2: Convert to fraction form
    26,178.24/36,126.93 = 15,002.40/x
  3. Step 3: Cross multiply
    26,178.24x = 36,126.93 × 15,002.40
  4. Step 4: Simplify right side
    26,178.24x = 541,990,654.63
  5. Step 5: Solve for x
    x = 541,990,654.63/26,178.24
  6. Step 6: Final answer
    x = 20,703.86

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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.