Home / 65,031.60-97,555.28-18,284.48

Finding the Fourth Proportional to 65,031.60, 97,555.28 and 18,284.48

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Solution

The fourth proportional to 65,031.60, 97,555.28 and 18,284.48 is: 27,428.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,031.60 : 97,555.28 = 18,284.48 : x
  2. Step 2: Convert to fraction form
    65,031.60/97,555.28 = 18,284.48/x
  3. Step 3: Cross multiply
    65,031.60x = 97,555.28 × 18,284.48
  4. Step 4: Simplify right side
    65,031.60x = 1,783,747,566.05
  5. Step 5: Solve for x
    x = 1,783,747,566.05/65,031.60
  6. Step 6: Final answer
    x = 27,428.94

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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.