Home / 15,725.79-23,572.85-7,816.14

Finding the Fourth Proportional to 15,725.79, 23,572.85 and 7,816.14

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Solution

The fourth proportional to 15,725.79, 23,572.85 and 7,816.14 is: 11,716.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,725.79 : 23,572.85 = 7,816.14 : x
  2. Step 2: Convert to fraction form
    15,725.79/23,572.85 = 7,816.14/x
  3. Step 3: Cross multiply
    15,725.79x = 23,572.85 × 7,816.14
  4. Step 4: Simplify right side
    15,725.79x = 184,248,656.72
  5. Step 5: Solve for x
    x = 184,248,656.72/15,725.79
  6. Step 6: Final answer
    x = 11,716.34

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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.