Home / 14,176.10-21,264.15-12,766.70

Finding the Fourth Proportional to 14,176.10, 21,264.15 and 12,766.70

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Solution

The fourth proportional to 14,176.10, 21,264.15 and 12,766.70 is: 19,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.10 : 21,264.15 = 12,766.70 : x
  2. Step 2: Convert to fraction form
    14,176.10/21,264.15 = 12,766.70/x
  3. Step 3: Cross multiply
    14,176.10x = 21,264.15 × 12,766.70
  4. Step 4: Simplify right side
    14,176.10x = 271,473,023.81
  5. Step 5: Solve for x
    x = 271,473,023.81/14,176.10
  6. Step 6: Final answer
    x = 19,150.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.