Home / 13,240.10-19,853.74-7,695.04

Finding the Fourth Proportional to 13,240.10, 19,853.74 and 7,695.04

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Solution

The fourth proportional to 13,240.10, 19,853.74 and 7,695.04 is: 11,538.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.10 : 19,853.74 = 7,695.04 : x
  2. Step 2: Convert to fraction form
    13,240.10/19,853.74 = 7,695.04/x
  3. Step 3: Cross multiply
    13,240.10x = 19,853.74 × 7,695.04
  4. Step 4: Simplify right side
    13,240.10x = 152,775,323.45
  5. Step 5: Solve for x
    x = 152,775,323.45/13,240.10
  6. Step 6: Final answer
    x = 11,538.83

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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.