Home / 44,123.06-66,181.35-12,960.74

Finding the Fourth Proportional to 44,123.06, 66,181.35 and 12,960.74

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Solution

The fourth proportional to 44,123.06, 66,181.35 and 12,960.74 is: 19,440.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,123.06 : 66,181.35 = 12,960.74 : x
  2. Step 2: Convert to fraction form
    44,123.06/66,181.35 = 12,960.74/x
  3. Step 3: Cross multiply
    44,123.06x = 66,181.35 × 12,960.74
  4. Step 4: Simplify right side
    44,123.06x = 857,759,270.20
  5. Step 5: Solve for x
    x = 857,759,270.20/44,123.06
  6. Step 6: Final answer
    x = 19,440.16

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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.