Home / 15,926.20-23,856.45-9,332.40

Finding the Fourth Proportional to 15,926.20, 23,856.45 and 9,332.40

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Solution

The fourth proportional to 15,926.20, 23,856.45 and 9,332.40 is: 13,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,926.20 : 23,856.45 = 9,332.40 : x
  2. Step 2: Convert to fraction form
    15,926.20/23,856.45 = 9,332.40/x
  3. Step 3: Cross multiply
    15,926.20x = 23,856.45 × 9,332.40
  4. Step 4: Simplify right side
    15,926.20x = 222,637,933.98
  5. Step 5: Solve for x
    x = 222,637,933.98/15,926.20
  6. Step 6: Final answer
    x = 13,979.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.