Home / 22,795.45-31,420.07-15,239.02

Finding the Fourth Proportional to 22,795.45, 31,420.07 and 15,239.02

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Solution

The fourth proportional to 22,795.45, 31,420.07 and 15,239.02 is: 21,004.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,795.45 : 31,420.07 = 15,239.02 : x
  2. Step 2: Convert to fraction form
    22,795.45/31,420.07 = 15,239.02/x
  3. Step 3: Cross multiply
    22,795.45x = 31,420.07 × 15,239.02
  4. Step 4: Simplify right side
    22,795.45x = 478,811,077.49
  5. Step 5: Solve for x
    x = 478,811,077.49/22,795.45
  6. Step 6: Final answer
    x = 21,004.68

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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.