Home / 19,072.48-26,320-10,688.96

Finding the Fourth Proportional to 19,072.48, 26,320 and 10,688.96

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Solution

The fourth proportional to 19,072.48, 26,320 and 10,688.96 is: 14,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072.48 : 26,320 = 10,688.96 : x
  2. Step 2: Convert to fraction form
    19,072.48/26,320 = 10,688.96/x
  3. Step 3: Cross multiply
    19,072.48x = 26,320 × 10,688.96
  4. Step 4: Simplify right side
    19,072.48x = 281,333,427.20
  5. Step 5: Solve for x
    x = 281,333,427.20/19,072.48
  6. Step 6: Final answer
    x = 14,750.75

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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.