Home / 14,868.77-20,518.66-8,154.46

Finding the Fourth Proportional to 14,868.77, 20,518.66 and 8,154.46

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Solution

The fourth proportional to 14,868.77, 20,518.66 and 8,154.46 is: 11,253.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,868.77 : 20,518.66 = 8,154.46 : x
  2. Step 2: Convert to fraction form
    14,868.77/20,518.66 = 8,154.46/x
  3. Step 3: Cross multiply
    14,868.77x = 20,518.66 × 8,154.46
  4. Step 4: Simplify right side
    14,868.77x = 167,318,592.22
  5. Step 5: Solve for x
    x = 167,318,592.22/14,868.77
  6. Step 6: Final answer
    x = 11,253.02

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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.