Home / 19,355.10-26,710.56-11,395.86

Finding the Fourth Proportional to 19,355.10, 26,710.56 and 11,395.86

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Solution

The fourth proportional to 19,355.10, 26,710.56 and 11,395.86 is: 15,726.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.10 : 26,710.56 = 11,395.86 : x
  2. Step 2: Convert to fraction form
    19,355.10/26,710.56 = 11,395.86/x
  3. Step 3: Cross multiply
    19,355.10x = 26,710.56 × 11,395.86
  4. Step 4: Simplify right side
    19,355.10x = 304,389,802.28
  5. Step 5: Solve for x
    x = 304,389,802.28/19,355.10
  6. Step 6: Final answer
    x = 15,726.59

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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.