Home / 15,810.78-23,716.14-4,725.24

Finding the Fourth Proportional to 15,810.78, 23,716.14 and 4,725.24

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Solution

The fourth proportional to 15,810.78, 23,716.14 and 4,725.24 is: 7,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,810.78 : 23,716.14 = 4,725.24 : x
  2. Step 2: Convert to fraction form
    15,810.78/23,716.14 = 4,725.24/x
  3. Step 3: Cross multiply
    15,810.78x = 23,716.14 × 4,725.24
  4. Step 4: Simplify right side
    15,810.78x = 112,064,453.37
  5. Step 5: Solve for x
    x = 112,064,453.37/15,810.78
  6. Step 6: Final answer
    x = 7,087.85

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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.