Home / 23,484.71-32,390.07-20,646.05

Finding the Fourth Proportional to 23,484.71, 32,390.07 and 20,646.05

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Solution

The fourth proportional to 23,484.71, 32,390.07 and 20,646.05 is: 28,475.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,484.71 : 32,390.07 = 20,646.05 : x
  2. Step 2: Convert to fraction form
    23,484.71/32,390.07 = 20,646.05/x
  3. Step 3: Cross multiply
    23,484.71x = 32,390.07 × 20,646.05
  4. Step 4: Simplify right side
    23,484.71x = 668,726,926.90
  5. Step 5: Solve for x
    x = 668,726,926.90/23,484.71
  6. Step 6: Final answer
    x = 28,475.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.