Home / 13,125.21-19,699.65-8,898.24

Finding the Fourth Proportional to 13,125.21, 19,699.65 and 8,898.24

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Solution

The fourth proportional to 13,125.21, 19,699.65 and 8,898.24 is: 13,355.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.21 : 19,699.65 = 8,898.24 : x
  2. Step 2: Convert to fraction form
    13,125.21/19,699.65 = 8,898.24/x
  3. Step 3: Cross multiply
    13,125.21x = 19,699.65 × 8,898.24
  4. Step 4: Simplify right side
    13,125.21x = 175,292,213.62
  5. Step 5: Solve for x
    x = 175,292,213.62/13,125.21
  6. Step 6: Final answer
    x = 13,355.38

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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.