Home / 26,531.36-39,798.12-10,947.50

Finding the Fourth Proportional to 26,531.36, 39,798.12 and 10,947.50

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Solution

The fourth proportional to 26,531.36, 39,798.12 and 10,947.50 is: 16,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,531.36 : 39,798.12 = 10,947.50 : x
  2. Step 2: Convert to fraction form
    26,531.36/39,798.12 = 10,947.50/x
  3. Step 3: Cross multiply
    26,531.36x = 39,798.12 × 10,947.50
  4. Step 4: Simplify right side
    26,531.36x = 435,689,918.70
  5. Step 5: Solve for x
    x = 435,689,918.70/26,531.36
  6. Step 6: Final answer
    x = 16,421.70

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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.