Home / 19,135.59-26,420.01-17,112.74

Finding the Fourth Proportional to 19,135.59, 26,420.01 and 17,112.74

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Solution

The fourth proportional to 19,135.59, 26,420.01 and 17,112.74 is: 23,627.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.59 : 26,420.01 = 17,112.74 : x
  2. Step 2: Convert to fraction form
    19,135.59/26,420.01 = 17,112.74/x
  3. Step 3: Cross multiply
    19,135.59x = 26,420.01 × 17,112.74
  4. Step 4: Simplify right side
    19,135.59x = 452,118,565.65
  5. Step 5: Solve for x
    x = 452,118,565.65/19,135.59
  6. Step 6: Final answer
    x = 23,627.11

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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.