Home / 22,196.24-30,588.70-15,897.68

Finding the Fourth Proportional to 22,196.24, 30,588.70 and 15,897.68

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Solution

The fourth proportional to 22,196.24, 30,588.70 and 15,897.68 is: 21,908.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,196.24 : 30,588.70 = 15,897.68 : x
  2. Step 2: Convert to fraction form
    22,196.24/30,588.70 = 15,897.68/x
  3. Step 3: Cross multiply
    22,196.24x = 30,588.70 × 15,897.68
  4. Step 4: Simplify right side
    22,196.24x = 486,289,364.22
  5. Step 5: Solve for x
    x = 486,289,364.22/22,196.24
  6. Step 6: Final answer
    x = 21,908.64

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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.