Home / 19,258.04-28,875-7,557.68

Finding the Fourth Proportional to 19,258.04, 28,875 and 7,557.68

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Solution

The fourth proportional to 19,258.04, 28,875 and 7,557.68 is: 11,331.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,258.04 : 28,875 = 7,557.68 : x
  2. Step 2: Convert to fraction form
    19,258.04/28,875 = 7,557.68/x
  3. Step 3: Cross multiply
    19,258.04x = 28,875 × 7,557.68
  4. Step 4: Simplify right side
    19,258.04x = 218,228,010
  5. Step 5: Solve for x
    x = 218,228,010/19,258.04
  6. Step 6: Final answer
    x = 11,331.79

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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.