Home / 19,427.88-29,108.34-15,294.36

Finding the Fourth Proportional to 19,427.88, 29,108.34 and 15,294.36

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Solution

The fourth proportional to 19,427.88, 29,108.34 and 15,294.36 is: 22,915.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.88 : 29,108.34 = 15,294.36 : x
  2. Step 2: Convert to fraction form
    19,427.88/29,108.34 = 15,294.36/x
  3. Step 3: Cross multiply
    19,427.88x = 29,108.34 × 15,294.36
  4. Step 4: Simplify right side
    19,427.88x = 445,193,430.96
  5. Step 5: Solve for x
    x = 445,193,430.96/19,427.88
  6. Step 6: Final answer
    x = 22,915.18

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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.