Home / 19,415.59-26,794.46-10,920.39

Finding the Fourth Proportional to 19,415.59, 26,794.46 and 10,920.39

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Solution

The fourth proportional to 19,415.59, 26,794.46 and 10,920.39 is: 15,070.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.59 : 26,794.46 = 10,920.39 : x
  2. Step 2: Convert to fraction form
    19,415.59/26,794.46 = 10,920.39/x
  3. Step 3: Cross multiply
    19,415.59x = 26,794.46 × 10,920.39
  4. Step 4: Simplify right side
    19,415.59x = 292,605,953.04
  5. Step 5: Solve for x
    x = 292,605,953.04/19,415.59
  6. Step 6: Final answer
    x = 15,070.67

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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.