Home / 19,019.61-26,251.29-11,955.60

Finding the Fourth Proportional to 19,019.61, 26,251.29 and 11,955.60

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Solution

The fourth proportional to 19,019.61, 26,251.29 and 11,955.60 is: 16,501.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.61 : 26,251.29 = 11,955.60 : x
  2. Step 2: Convert to fraction form
    19,019.61/26,251.29 = 11,955.60/x
  3. Step 3: Cross multiply
    19,019.61x = 26,251.29 × 11,955.60
  4. Step 4: Simplify right side
    19,019.61x = 313,849,922.72
  5. Step 5: Solve for x
    x = 313,849,922.72/19,019.61
  6. Step 6: Final answer
    x = 16,501.39

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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.