Home / 19,355.41-26,710.87-10,971.91

Finding the Fourth Proportional to 19,355.41, 26,710.87 and 10,971.91

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Solution

The fourth proportional to 19,355.41, 26,710.87 and 10,971.91 is: 15,141.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.41 : 26,710.87 = 10,971.91 : x
  2. Step 2: Convert to fraction form
    19,355.41/26,710.87 = 10,971.91/x
  3. Step 3: Cross multiply
    19,355.41x = 26,710.87 × 10,971.91
  4. Step 4: Simplify right side
    19,355.41x = 293,069,261.66
  5. Step 5: Solve for x
    x = 293,069,261.66/19,355.41
  6. Step 6: Final answer
    x = 15,141.46

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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.