Home / 19,040.90-26,248.50-13,358.42

Finding the Fourth Proportional to 19,040.90, 26,248.50 and 13,358.42

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Solution

The fourth proportional to 19,040.90, 26,248.50 and 13,358.42 is: 18,415.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.90 : 26,248.50 = 13,358.42 : x
  2. Step 2: Convert to fraction form
    19,040.90/26,248.50 = 13,358.42/x
  3. Step 3: Cross multiply
    19,040.90x = 26,248.50 × 13,358.42
  4. Step 4: Simplify right side
    19,040.90x = 350,638,487.37
  5. Step 5: Solve for x
    x = 350,638,487.37/19,040.90
  6. Step 6: Final answer
    x = 18,415.02

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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.