Home / 14,868.19-20,516.21-8,152.05

Finding the Fourth Proportional to 14,868.19, 20,516.21 and 8,152.05

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Solution

The fourth proportional to 14,868.19, 20,516.21 and 8,152.05 is: 11,248.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,868.19 : 20,516.21 = 8,152.05 : x
  2. Step 2: Convert to fraction form
    14,868.19/20,516.21 = 8,152.05/x
  3. Step 3: Cross multiply
    14,868.19x = 20,516.21 × 8,152.05
  4. Step 4: Simplify right side
    14,868.19x = 167,249,190.11
  5. Step 5: Solve for x
    x = 167,249,190.11/14,868.19
  6. Step 6: Final answer
    x = 11,248.79

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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.