Home / 20,570.02-30,856.12-6,531.14

Finding the Fourth Proportional to 20,570.02, 30,856.12 and 6,531.14

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Solution

The fourth proportional to 20,570.02, 30,856.12 and 6,531.14 is: 9,797.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,570.02 : 30,856.12 = 6,531.14 : x
  2. Step 2: Convert to fraction form
    20,570.02/30,856.12 = 6,531.14/x
  3. Step 3: Cross multiply
    20,570.02x = 30,856.12 × 6,531.14
  4. Step 4: Simplify right side
    20,570.02x = 201,525,700.39
  5. Step 5: Solve for x
    x = 201,525,700.39/20,570.02
  6. Step 6: Final answer
    x = 9,797.06

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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.