Home / 19,401.60-29,093.19-8,868.50

Finding the Fourth Proportional to 19,401.60, 29,093.19 and 8,868.50

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Solution

The fourth proportional to 19,401.60, 29,093.19 and 8,868.50 is: 13,298.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401.60 : 29,093.19 = 8,868.50 : x
  2. Step 2: Convert to fraction form
    19,401.60/29,093.19 = 8,868.50/x
  3. Step 3: Cross multiply
    19,401.60x = 29,093.19 × 8,868.50
  4. Step 4: Simplify right side
    19,401.60x = 258,012,955.52
  5. Step 5: Solve for x
    x = 258,012,955.52/19,401.60
  6. Step 6: Final answer
    x = 13,298.54

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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.