Home / 14,518.32-20,041.41-9,808.98

Finding the Fourth Proportional to 14,518.32, 20,041.41 and 9,808.98

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Solution

The fourth proportional to 14,518.32, 20,041.41 and 9,808.98 is: 13,540.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.32 : 20,041.41 = 9,808.98 : x
  2. Step 2: Convert to fraction form
    14,518.32/20,041.41 = 9,808.98/x
  3. Step 3: Cross multiply
    14,518.32x = 20,041.41 × 9,808.98
  4. Step 4: Simplify right side
    14,518.32x = 196,585,640.61
  5. Step 5: Solve for x
    x = 196,585,640.61/14,518.32
  6. Step 6: Final answer
    x = 13,540.53

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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.