Home / 23,394.06-32,283.18-12,783.78

Finding the Fourth Proportional to 23,394.06, 32,283.18 and 12,783.78

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Solution

The fourth proportional to 23,394.06, 32,283.18 and 12,783.78 is: 17,641.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,394.06 : 32,283.18 = 12,783.78 : x
  2. Step 2: Convert to fraction form
    23,394.06/32,283.18 = 12,783.78/x
  3. Step 3: Cross multiply
    23,394.06x = 32,283.18 × 12,783.78
  4. Step 4: Simplify right side
    23,394.06x = 412,701,070.82
  5. Step 5: Solve for x
    x = 412,701,070.82/23,394.06
  6. Step 6: Final answer
    x = 17,641.28

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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.