Home / 17,966.08-26,931.20-12,482.56

Finding the Fourth Proportional to 17,966.08, 26,931.20 and 12,482.56

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Solution

The fourth proportional to 17,966.08, 26,931.20 and 12,482.56 is: 18,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,966.08 : 26,931.20 = 12,482.56 : x
  2. Step 2: Convert to fraction form
    17,966.08/26,931.20 = 12,482.56/x
  3. Step 3: Cross multiply
    17,966.08x = 26,931.20 × 12,482.56
  4. Step 4: Simplify right side
    17,966.08x = 336,170,319.87
  5. Step 5: Solve for x
    x = 336,170,319.87/17,966.08
  6. Step 6: Final answer
    x = 18,711.39

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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.