Home / 15,856.92-21,897.36-10,201.50

Finding the Fourth Proportional to 15,856.92, 21,897.36 and 10,201.50

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Solution

The fourth proportional to 15,856.92, 21,897.36 and 10,201.50 is: 14,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,856.92 : 21,897.36 = 10,201.50 : x
  2. Step 2: Convert to fraction form
    15,856.92/21,897.36 = 10,201.50/x
  3. Step 3: Cross multiply
    15,856.92x = 21,897.36 × 10,201.50
  4. Step 4: Simplify right side
    15,856.92x = 223,385,918.04
  5. Step 5: Solve for x
    x = 223,385,918.04/15,856.92
  6. Step 6: Final answer
    x = 14,087.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.