Home / 15,718.83-23,580.87-7,293.78

Finding the Fourth Proportional to 15,718.83, 23,580.87 and 7,293.78

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Solution

The fourth proportional to 15,718.83, 23,580.87 and 7,293.78 is: 10,941.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718.83 : 23,580.87 = 7,293.78 : x
  2. Step 2: Convert to fraction form
    15,718.83/23,580.87 = 7,293.78/x
  3. Step 3: Cross multiply
    15,718.83x = 23,580.87 × 7,293.78
  4. Step 4: Simplify right side
    15,718.83x = 171,993,677.99
  5. Step 5: Solve for x
    x = 171,993,677.99/15,718.83
  6. Step 6: Final answer
    x = 10,941.89

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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.