Home / 14,231.52-19,637.28-8,565.84

Finding the Fourth Proportional to 14,231.52, 19,637.28 and 8,565.84

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Solution

The fourth proportional to 14,231.52, 19,637.28 and 8,565.84 is: 11,819.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.52 : 19,637.28 = 8,565.84 : x
  2. Step 2: Convert to fraction form
    14,231.52/19,637.28 = 8,565.84/x
  3. Step 3: Cross multiply
    14,231.52x = 19,637.28 × 8,565.84
  4. Step 4: Simplify right side
    14,231.52x = 168,209,798.52
  5. Step 5: Solve for x
    x = 168,209,798.52/14,231.52
  6. Step 6: Final answer
    x = 11,819.52

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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.