Home / 13,165.15-19,748.76-4,400.10

Finding the Fourth Proportional to 13,165.15, 19,748.76 and 4,400.10

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Solution

The fourth proportional to 13,165.15, 19,748.76 and 4,400.10 is: 6,600.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.15 : 19,748.76 = 4,400.10 : x
  2. Step 2: Convert to fraction form
    13,165.15/19,748.76 = 4,400.10/x
  3. Step 3: Cross multiply
    13,165.15x = 19,748.76 × 4,400.10
  4. Step 4: Simplify right side
    13,165.15x = 86,896,518.88
  5. Step 5: Solve for x
    x = 86,896,518.88/13,165.15
  6. Step 6: Final answer
    x = 6,600.50

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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.