Home / 15,853.36-23,777.88-7,085.92

Finding the Fourth Proportional to 15,853.36, 23,777.88 and 7,085.92

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Solution

The fourth proportional to 15,853.36, 23,777.88 and 7,085.92 is: 10,627.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,853.36 : 23,777.88 = 7,085.92 : x
  2. Step 2: Convert to fraction form
    15,853.36/23,777.88 = 7,085.92/x
  3. Step 3: Cross multiply
    15,853.36x = 23,777.88 × 7,085.92
  4. Step 4: Simplify right side
    15,853.36x = 168,488,155.45
  5. Step 5: Solve for x
    x = 168,488,155.45/15,853.36
  6. Step 6: Final answer
    x = 10,627.91

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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.