Home / 26,953.76-40,433.88-9,187.40

Finding the Fourth Proportional to 26,953.76, 40,433.88 and 9,187.40

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Solution

The fourth proportional to 26,953.76, 40,433.88 and 9,187.40 is: 13,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,953.76 : 40,433.88 = 9,187.40 : x
  2. Step 2: Convert to fraction form
    26,953.76/40,433.88 = 9,187.40/x
  3. Step 3: Cross multiply
    26,953.76x = 40,433.88 × 9,187.40
  4. Step 4: Simplify right side
    26,953.76x = 371,482,229.11
  5. Step 5: Solve for x
    x = 371,482,229.11/26,953.76
  6. Step 6: Final answer
    x = 13,782.20

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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.