Home / 65,905.36-98,867.68-19,152.16

Finding the Fourth Proportional to 65,905.36, 98,867.68 and 19,152.16

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Solution

The fourth proportional to 65,905.36, 98,867.68 and 19,152.16 is: 28,731.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,905.36 : 98,867.68 = 19,152.16 : x
  2. Step 2: Convert to fraction form
    65,905.36/98,867.68 = 19,152.16/x
  3. Step 3: Cross multiply
    65,905.36x = 98,867.68 × 19,152.16
  4. Step 4: Simplify right side
    65,905.36x = 1,893,529,626.19
  5. Step 5: Solve for x
    x = 1,893,529,626.19/65,905.36
  6. Step 6: Final answer
    x = 28,731.04

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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.