Home / 14,191.46-19,581.48-9,154.70

Finding the Fourth Proportional to 14,191.46, 19,581.48 and 9,154.70

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Solution

The fourth proportional to 14,191.46, 19,581.48 and 9,154.70 is: 12,631.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.46 : 19,581.48 = 9,154.70 : x
  2. Step 2: Convert to fraction form
    14,191.46/19,581.48 = 9,154.70/x
  3. Step 3: Cross multiply
    14,191.46x = 19,581.48 × 9,154.70
  4. Step 4: Simplify right side
    14,191.46x = 179,262,574.96
  5. Step 5: Solve for x
    x = 179,262,574.96/14,191.46
  6. Step 6: Final answer
    x = 12,631.72

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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.