Home / 13,192.74-19,788.95-5,298.75

Finding the Fourth Proportional to 13,192.74, 19,788.95 and 5,298.75

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Solution

The fourth proportional to 13,192.74, 19,788.95 and 5,298.75 is: 7,948.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.74 : 19,788.95 = 5,298.75 : x
  2. Step 2: Convert to fraction form
    13,192.74/19,788.95 = 5,298.75/x
  3. Step 3: Cross multiply
    13,192.74x = 19,788.95 × 5,298.75
  4. Step 4: Simplify right side
    13,192.74x = 104,856,672.32
  5. Step 5: Solve for x
    x = 104,856,672.32/13,192.74
  6. Step 6: Final answer
    x = 7,948.06

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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.