Home / 21,670.02-32,509.08-6,882.66

Finding the Fourth Proportional to 21,670.02, 32,509.08 and 6,882.66

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Solution

The fourth proportional to 21,670.02, 32,509.08 and 6,882.66 is: 10,325.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,670.02 : 32,509.08 = 6,882.66 : x
  2. Step 2: Convert to fraction form
    21,670.02/32,509.08 = 6,882.66/x
  3. Step 3: Cross multiply
    21,670.02x = 32,509.08 × 6,882.66
  4. Step 4: Simplify right side
    21,670.02x = 223,748,944.55
  5. Step 5: Solve for x
    x = 223,748,944.55/21,670.02
  6. Step 6: Final answer
    x = 10,325.28

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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.