Home / 13,168.35-19,751.85-9,477.18

Finding the Fourth Proportional to 13,168.35, 19,751.85 and 9,477.18

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Solution

The fourth proportional to 13,168.35, 19,751.85 and 9,477.18 is: 14,215.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168.35 : 19,751.85 = 9,477.18 : x
  2. Step 2: Convert to fraction form
    13,168.35/19,751.85 = 9,477.18/x
  3. Step 3: Cross multiply
    13,168.35x = 19,751.85 × 9,477.18
  4. Step 4: Simplify right side
    13,168.35x = 187,191,837.78
  5. Step 5: Solve for x
    x = 187,191,837.78/13,168.35
  6. Step 6: Final answer
    x = 14,215.28

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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.