Home / 14,254.92-19,670.04-8,287.92

Finding the Fourth Proportional to 14,254.92, 19,670.04 and 8,287.92

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Solution

The fourth proportional to 14,254.92, 19,670.04 and 8,287.92 is: 11,436.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.92 : 19,670.04 = 8,287.92 : x
  2. Step 2: Convert to fraction form
    14,254.92/19,670.04 = 8,287.92/x
  3. Step 3: Cross multiply
    14,254.92x = 19,670.04 × 8,287.92
  4. Step 4: Simplify right side
    14,254.92x = 163,023,717.92
  5. Step 5: Solve for x
    x = 163,023,717.92/14,254.92
  6. Step 6: Final answer
    x = 11,436.31

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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.