Home / 13,307.87-19,942.66-9,152.57

Finding the Fourth Proportional to 13,307.87, 19,942.66 and 9,152.57

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Solution

The fourth proportional to 13,307.87, 19,942.66 and 9,152.57 is: 13,715.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.87 : 19,942.66 = 9,152.57 : x
  2. Step 2: Convert to fraction form
    13,307.87/19,942.66 = 9,152.57/x
  3. Step 3: Cross multiply
    13,307.87x = 19,942.66 × 9,152.57
  4. Step 4: Simplify right side
    13,307.87x = 182,526,503.36
  5. Step 5: Solve for x
    x = 182,526,503.36/13,307.87
  6. Step 6: Final answer
    x = 13,715.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.