Home / 26,901.72-40,352.58-19,436.76

Finding the Fourth Proportional to 26,901.72, 40,352.58 and 19,436.76

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Solution

The fourth proportional to 26,901.72, 40,352.58 and 19,436.76 is: 29,155.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,901.72 : 40,352.58 = 19,436.76 : x
  2. Step 2: Convert to fraction form
    26,901.72/40,352.58 = 19,436.76/x
  3. Step 3: Cross multiply
    26,901.72x = 40,352.58 × 19,436.76
  4. Step 4: Simplify right side
    26,901.72x = 784,323,412.84
  5. Step 5: Solve for x
    x = 784,323,412.84/26,901.72
  6. Step 6: Final answer
    x = 29,155.14

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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.