Home / 23,428.48-32,331.26-12,818.09

Finding the Fourth Proportional to 23,428.48, 32,331.26 and 12,818.09

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Solution

The fourth proportional to 23,428.48, 32,331.26 and 12,818.09 is: 17,688.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,428.48 : 32,331.26 = 12,818.09 : x
  2. Step 2: Convert to fraction form
    23,428.48/32,331.26 = 12,818.09/x
  3. Step 3: Cross multiply
    23,428.48x = 32,331.26 × 12,818.09
  4. Step 4: Simplify right side
    23,428.48x = 414,424,774.75
  5. Step 5: Solve for x
    x = 414,424,774.75/23,428.48
  6. Step 6: Final answer
    x = 17,688.94

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1.5x scale

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.