Home / 14,310.29-19,746.32-8,260.74

Finding the Fourth Proportional to 14,310.29, 19,746.32 and 8,260.74

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Solution

The fourth proportional to 14,310.29, 19,746.32 and 8,260.74 is: 11,398.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.29 : 19,746.32 = 8,260.74 : x
  2. Step 2: Convert to fraction form
    14,310.29/19,746.32 = 8,260.74/x
  3. Step 3: Cross multiply
    14,310.29x = 19,746.32 × 8,260.74
  4. Step 4: Simplify right side
    14,310.29x = 163,119,174.17
  5. Step 5: Solve for x
    x = 163,119,174.17/14,310.29
  6. Step 6: Final answer
    x = 11,398.73

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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.