Home / 19,750.32-29,581.74-19,351.80

Finding the Fourth Proportional to 19,750.32, 29,581.74 and 19,351.80

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Solution

The fourth proportional to 19,750.32, 29,581.74 and 19,351.80 is: 28,984.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,750.32 : 29,581.74 = 19,351.80 : x
  2. Step 2: Convert to fraction form
    19,750.32/29,581.74 = 19,351.80/x
  3. Step 3: Cross multiply
    19,750.32x = 29,581.74 × 19,351.80
  4. Step 4: Simplify right side
    19,750.32x = 572,459,916.13
  5. Step 5: Solve for x
    x = 572,459,916.13/19,750.32
  6. Step 6: Final answer
    x = 28,984.84

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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.