Home / 22,308.48-30,780.54-13,352.58

Finding the Fourth Proportional to 22,308.48, 30,780.54 and 13,352.58

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Solution

The fourth proportional to 22,308.48, 30,780.54 and 13,352.58 is: 18,423.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,308.48 : 30,780.54 = 13,352.58 : x
  2. Step 2: Convert to fraction form
    22,308.48/30,780.54 = 13,352.58/x
  3. Step 3: Cross multiply
    22,308.48x = 30,780.54 × 13,352.58
  4. Step 4: Simplify right side
    22,308.48x = 410,999,622.79
  5. Step 5: Solve for x
    x = 410,999,622.79/22,308.48
  6. Step 6: Final answer
    x = 18,423.47

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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.