Home / 65,638.02-98,440.17-18,242.09

Finding the Fourth Proportional to 65,638.02, 98,440.17 and 18,242.09

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Solution

The fourth proportional to 65,638.02, 98,440.17 and 18,242.09 is: 27,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,638.02 : 98,440.17 = 18,242.09 : x
  2. Step 2: Convert to fraction form
    65,638.02/98,440.17 = 18,242.09/x
  3. Step 3: Cross multiply
    65,638.02x = 98,440.17 × 18,242.09
  4. Step 4: Simplify right side
    65,638.02x = 1,795,754,440.76
  5. Step 5: Solve for x
    x = 1,795,754,440.76/65,638.02
  6. Step 6: Final answer
    x = 27,358.45

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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.