Home / 15,297.79-22,948.51-5,438.07

Finding the Fourth Proportional to 15,297.79, 22,948.51 and 5,438.07

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Solution

The fourth proportional to 15,297.79, 22,948.51 and 5,438.07 is: 8,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,297.79 : 22,948.51 = 5,438.07 : x
  2. Step 2: Convert to fraction form
    15,297.79/22,948.51 = 5,438.07/x
  3. Step 3: Cross multiply
    15,297.79x = 22,948.51 × 5,438.07
  4. Step 4: Simplify right side
    15,297.79x = 124,795,461.84
  5. Step 5: Solve for x
    x = 124,795,461.84/15,297.79
  6. Step 6: Final answer
    x = 8,157.74

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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.