Home / 26,312.56-39,434.82-19,686.76

Finding the Fourth Proportional to 26,312.56, 39,434.82 and 19,686.76

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Solution

The fourth proportional to 26,312.56, 39,434.82 and 19,686.76 is: 29,504.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,312.56 : 39,434.82 = 19,686.76 : x
  2. Step 2: Convert to fraction form
    26,312.56/39,434.82 = 19,686.76/x
  3. Step 3: Cross multiply
    26,312.56x = 39,434.82 × 19,686.76
  4. Step 4: Simplify right side
    26,312.56x = 776,343,836.98
  5. Step 5: Solve for x
    x = 776,343,836.98/26,312.56
  6. Step 6: Final answer
    x = 29,504.69

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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.