Home / 14,726.54-20,320.80-9,956.87

Finding the Fourth Proportional to 14,726.54, 20,320.80 and 9,956.87

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Solution

The fourth proportional to 14,726.54, 20,320.80 and 9,956.87 is: 13,739.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,726.54 : 20,320.80 = 9,956.87 : x
  2. Step 2: Convert to fraction form
    14,726.54/20,320.80 = 9,956.87/x
  3. Step 3: Cross multiply
    14,726.54x = 20,320.80 × 9,956.87
  4. Step 4: Simplify right side
    14,726.54x = 202,331,563.90
  5. Step 5: Solve for x
    x = 202,331,563.90/14,726.54
  6. Step 6: Final answer
    x = 13,739.25

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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.