Home / 19,156.04-26,434.32-10,772

Finding the Fourth Proportional to 19,156.04, 26,434.32 and 10,772

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Solution

The fourth proportional to 19,156.04, 26,434.32 and 10,772 is: 14,864.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156.04 : 26,434.32 = 10,772 : x
  2. Step 2: Convert to fraction form
    19,156.04/26,434.32 = 10,772/x
  3. Step 3: Cross multiply
    19,156.04x = 26,434.32 × 10,772
  4. Step 4: Simplify right side
    19,156.04x = 284,750,495.04
  5. Step 5: Solve for x
    x = 284,750,495.04/19,156.04
  6. Step 6: Final answer
    x = 14,864.79

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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.