Home / 26,353.12-36,350.64-18,392.40

Finding the Fourth Proportional to 26,353.12, 36,350.64 and 18,392.40

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Solution

The fourth proportional to 26,353.12, 36,350.64 and 18,392.40 is: 25,369.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,353.12 : 36,350.64 = 18,392.40 : x
  2. Step 2: Convert to fraction form
    26,353.12/36,350.64 = 18,392.40/x
  3. Step 3: Cross multiply
    26,353.12x = 36,350.64 × 18,392.40
  4. Step 4: Simplify right side
    26,353.12x = 668,575,511.14
  5. Step 5: Solve for x
    x = 668,575,511.14/26,353.12
  6. Step 6: Final answer
    x = 25,369.88

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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.