Home / 23,430.18-32,333.37-12,819.78

Finding the Fourth Proportional to 23,430.18, 32,333.37 and 12,819.78

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Solution

The fourth proportional to 23,430.18, 32,333.37 and 12,819.78 is: 17,691.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,430.18 : 32,333.37 = 12,819.78 : x
  2. Step 2: Convert to fraction form
    23,430.18/32,333.37 = 12,819.78/x
  3. Step 3: Cross multiply
    23,430.18x = 32,333.37 × 12,819.78
  4. Step 4: Simplify right side
    23,430.18x = 414,506,690.06
  5. Step 5: Solve for x
    x = 414,506,690.06/23,430.18
  6. Step 6: Final answer
    x = 17,691.14

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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.