Home / 13,803.25-19,048.53-7,515.67

Finding the Fourth Proportional to 13,803.25, 19,048.53 and 7,515.67

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Solution

The fourth proportional to 13,803.25, 19,048.53 and 7,515.67 is: 10,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.25 : 19,048.53 = 7,515.67 : x
  2. Step 2: Convert to fraction form
    13,803.25/19,048.53 = 7,515.67/x
  3. Step 3: Cross multiply
    13,803.25x = 19,048.53 × 7,515.67
  4. Step 4: Simplify right side
    13,803.25x = 143,162,465.47
  5. Step 5: Solve for x
    x = 143,162,465.47/13,803.25
  6. Step 6: Final answer
    x = 10,371.65

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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.