Home / 22,991.48-31,737.50-15,442.22

Finding the Fourth Proportional to 22,991.48, 31,737.50 and 15,442.22

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Solution

The fourth proportional to 22,991.48, 31,737.50 and 15,442.22 is: 21,316.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,991.48 : 31,737.50 = 15,442.22 : x
  2. Step 2: Convert to fraction form
    22,991.48/31,737.50 = 15,442.22/x
  3. Step 3: Cross multiply
    22,991.48x = 31,737.50 × 15,442.22
  4. Step 4: Simplify right side
    22,991.48x = 490,097,457.25
  5. Step 5: Solve for x
    x = 490,097,457.25/22,991.48
  6. Step 6: Final answer
    x = 21,316.48

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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.