Home / 19,307.57-26,648.60-11,756.39

Finding the Fourth Proportional to 19,307.57, 26,648.60 and 11,756.39

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Solution

The fourth proportional to 19,307.57, 26,648.60 and 11,756.39 is: 16,226.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,307.57 : 26,648.60 = 11,756.39 : x
  2. Step 2: Convert to fraction form
    19,307.57/26,648.60 = 11,756.39/x
  3. Step 3: Cross multiply
    19,307.57x = 26,648.60 × 11,756.39
  4. Step 4: Simplify right side
    19,307.57x = 313,291,142.53
  5. Step 5: Solve for x
    x = 313,291,142.53/19,307.57
  6. Step 6: Final answer
    x = 16,226.34

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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.