Home / 65,809.13-98,713.69-16,561.13

Finding the Fourth Proportional to 65,809.13, 98,713.69 and 16,561.13

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Solution

The fourth proportional to 65,809.13, 98,713.69 and 16,561.13 is: 24,841.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,809.13 : 98,713.69 = 16,561.13 : x
  2. Step 2: Convert to fraction form
    65,809.13/98,713.69 = 16,561.13/x
  3. Step 3: Cross multiply
    65,809.13x = 98,713.69 × 16,561.13
  4. Step 4: Simplify right side
    65,809.13x = 1,634,809,717.90
  5. Step 5: Solve for x
    x = 1,634,809,717.90/65,809.13
  6. Step 6: Final answer
    x = 24,841.69

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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.