Home / 23,378.40-32,262.39-13,306.35

Finding the Fourth Proportional to 23,378.40, 32,262.39 and 13,306.35

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Solution

The fourth proportional to 23,378.40, 32,262.39 and 13,306.35 is: 18,362.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,378.40 : 32,262.39 = 13,306.35 : x
  2. Step 2: Convert to fraction form
    23,378.40/32,262.39 = 13,306.35/x
  3. Step 3: Cross multiply
    23,378.40x = 32,262.39 × 13,306.35
  4. Step 4: Simplify right side
    23,378.40x = 429,294,653.18
  5. Step 5: Solve for x
    x = 429,294,653.18/23,378.40
  6. Step 6: Final answer
    x = 18,362.88

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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.