Home / 26,775.16-40,134.49-8,988.98

Finding the Fourth Proportional to 26,775.16, 40,134.49 and 8,988.98

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Solution

The fourth proportional to 26,775.16, 40,134.49 and 8,988.98 is: 13,473.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,775.16 : 40,134.49 = 8,988.98 : x
  2. Step 2: Convert to fraction form
    26,775.16/40,134.49 = 8,988.98/x
  3. Step 3: Cross multiply
    26,775.16x = 40,134.49 × 8,988.98
  4. Step 4: Simplify right side
    26,775.16x = 360,767,904.78
  5. Step 5: Solve for x
    x = 360,767,904.78/26,775.16
  6. Step 6: Final answer
    x = 13,473.98

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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.