Home / 14,470.68-19,967.40-8,182.92

Finding the Fourth Proportional to 14,470.68, 19,967.40 and 8,182.92

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Solution

The fourth proportional to 14,470.68, 19,967.40 and 8,182.92 is: 11,291.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470.68 : 19,967.40 = 8,182.92 : x
  2. Step 2: Convert to fraction form
    14,470.68/19,967.40 = 8,182.92/x
  3. Step 3: Cross multiply
    14,470.68x = 19,967.40 × 8,182.92
  4. Step 4: Simplify right side
    14,470.68x = 163,391,636.81
  5. Step 5: Solve for x
    x = 163,391,636.81/14,470.68
  6. Step 6: Final answer
    x = 11,291.22

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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.