Home / 26,007.20-35,890.20-14,070.80

Finding the Fourth Proportional to 26,007.20, 35,890.20 and 14,070.80

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Solution

The fourth proportional to 26,007.20, 35,890.20 and 14,070.80 is: 19,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,007.20 : 35,890.20 = 14,070.80 : x
  2. Step 2: Convert to fraction form
    26,007.20/35,890.20 = 14,070.80/x
  3. Step 3: Cross multiply
    26,007.20x = 35,890.20 × 14,070.80
  4. Step 4: Simplify right side
    26,007.20x = 505,003,826.16
  5. Step 5: Solve for x
    x = 505,003,826.16/26,007.20
  6. Step 6: Final answer
    x = 19,417.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.