Home / 26,807.78-36,993.47-14,870.85

Finding the Fourth Proportional to 26,807.78, 36,993.47 and 14,870.85

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Solution

The fourth proportional to 26,807.78, 36,993.47 and 14,870.85 is: 20,521.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,807.78 : 36,993.47 = 14,870.85 : x
  2. Step 2: Convert to fraction form
    26,807.78/36,993.47 = 14,870.85/x
  3. Step 3: Cross multiply
    26,807.78x = 36,993.47 × 14,870.85
  4. Step 4: Simplify right side
    26,807.78x = 550,124,269.00
  5. Step 5: Solve for x
    x = 550,124,269.00/26,807.78
  6. Step 6: Final answer
    x = 20,521.07

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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.