Home / 13,257.34-19,878.92-7,001.52

Finding the Fourth Proportional to 13,257.34, 19,878.92 and 7,001.52

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Solution

The fourth proportional to 13,257.34, 19,878.92 and 7,001.52 is: 10,498.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.34 : 19,878.92 = 7,001.52 : x
  2. Step 2: Convert to fraction form
    13,257.34/19,878.92 = 7,001.52/x
  3. Step 3: Cross multiply
    13,257.34x = 19,878.92 × 7,001.52
  4. Step 4: Simplify right side
    13,257.34x = 139,182,655.96
  5. Step 5: Solve for x
    x = 139,182,655.96/13,257.34
  6. Step 6: Final answer
    x = 10,498.54

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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.