Home / 14,281.54-19,711.26-8,314.12

Finding the Fourth Proportional to 14,281.54, 19,711.26 and 8,314.12

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Solution

The fourth proportional to 14,281.54, 19,711.26 and 8,314.12 is: 11,475.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.54 : 19,711.26 = 8,314.12 : x
  2. Step 2: Convert to fraction form
    14,281.54/19,711.26 = 8,314.12/x
  3. Step 3: Cross multiply
    14,281.54x = 19,711.26 × 8,314.12
  4. Step 4: Simplify right side
    14,281.54x = 163,881,780.99
  5. Step 5: Solve for x
    x = 163,881,780.99/14,281.54
  6. Step 6: Final answer
    x = 11,475.08

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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.