Home / 14,132.08-21,093.26-12,471.40

Finding the Fourth Proportional to 14,132.08, 21,093.26 and 12,471.40

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Solution

The fourth proportional to 14,132.08, 21,093.26 and 12,471.40 is: 18,614.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.08 : 21,093.26 = 12,471.40 : x
  2. Step 2: Convert to fraction form
    14,132.08/21,093.26 = 12,471.40/x
  3. Step 3: Cross multiply
    14,132.08x = 21,093.26 × 12,471.40
  4. Step 4: Simplify right side
    14,132.08x = 263,062,482.76
  5. Step 5: Solve for x
    x = 263,062,482.76/14,132.08
  6. Step 6: Final answer
    x = 18,614.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.