Home / 19,160.78-26,442.05-10,663.26

Finding the Fourth Proportional to 19,160.78, 26,442.05 and 10,663.26

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Solution

The fourth proportional to 19,160.78, 26,442.05 and 10,663.26 is: 14,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160.78 : 26,442.05 = 10,663.26 : x
  2. Step 2: Convert to fraction form
    19,160.78/26,442.05 = 10,663.26/x
  3. Step 3: Cross multiply
    19,160.78x = 26,442.05 × 10,663.26
  4. Step 4: Simplify right side
    19,160.78x = 281,958,454.08
  5. Step 5: Solve for x
    x = 281,958,454.08/19,160.78
  6. Step 6: Final answer
    x = 14,715.40

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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.