Home / 26,077.88-39,120.90-9,436.16

Finding the Fourth Proportional to 26,077.88, 39,120.90 and 9,436.16

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Solution

The fourth proportional to 26,077.88, 39,120.90 and 9,436.16 is: 14,155.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,077.88 : 39,120.90 = 9,436.16 : x
  2. Step 2: Convert to fraction form
    26,077.88/39,120.90 = 9,436.16/x
  3. Step 3: Cross multiply
    26,077.88x = 39,120.90 × 9,436.16
  4. Step 4: Simplify right side
    26,077.88x = 369,151,071.74
  5. Step 5: Solve for x
    x = 369,151,071.74/26,077.88
  6. Step 6: Final answer
    x = 14,155.72

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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.