Home / 14,254.12-21,372.12-12,502.64

Finding the Fourth Proportional to 14,254.12, 21,372.12 and 12,502.64

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Solution

The fourth proportional to 14,254.12, 21,372.12 and 12,502.64 is: 18,746.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.12 : 21,372.12 = 12,502.64 : x
  2. Step 2: Convert to fraction form
    14,254.12/21,372.12 = 12,502.64/x
  3. Step 3: Cross multiply
    14,254.12x = 21,372.12 × 12,502.64
  4. Step 4: Simplify right side
    14,254.12x = 267,207,922.40
  5. Step 5: Solve for x
    x = 267,207,922.40/14,254.12
  6. Step 6: Final answer
    x = 18,746.01

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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.