Home / 13,586.12-18,748.62-7,924.16

Finding the Fourth Proportional to 13,586.12, 18,748.62 and 7,924.16

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Solution

The fourth proportional to 13,586.12, 18,748.62 and 7,924.16 is: 10,935.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.12 : 18,748.62 = 7,924.16 : x
  2. Step 2: Convert to fraction form
    13,586.12/18,748.62 = 7,924.16/x
  3. Step 3: Cross multiply
    13,586.12x = 18,748.62 × 7,924.16
  4. Step 4: Simplify right side
    13,586.12x = 148,567,064.66
  5. Step 5: Solve for x
    x = 148,567,064.66/13,586.12
  6. Step 6: Final answer
    x = 10,935.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.