Home / 19,103.95-26,365.15-11,148.74

Finding the Fourth Proportional to 19,103.95, 26,365.15 and 11,148.74

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Solution

The fourth proportional to 19,103.95, 26,365.15 and 11,148.74 is: 15,386.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103.95 : 26,365.15 = 11,148.74 : x
  2. Step 2: Convert to fraction form
    19,103.95/26,365.15 = 11,148.74/x
  3. Step 3: Cross multiply
    19,103.95x = 26,365.15 × 11,148.74
  4. Step 4: Simplify right side
    19,103.95x = 293,938,120.68
  5. Step 5: Solve for x
    x = 293,938,120.68/19,103.95
  6. Step 6: Final answer
    x = 15,386.25

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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.