Home / 13,803.14-19,048.16-7,515.52

Finding the Fourth Proportional to 13,803.14, 19,048.16 and 7,515.52

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Solution

The fourth proportional to 13,803.14, 19,048.16 and 7,515.52 is: 10,371.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.14 : 19,048.16 = 7,515.52 : x
  2. Step 2: Convert to fraction form
    13,803.14/19,048.16 = 7,515.52/x
  3. Step 3: Cross multiply
    13,803.14x = 19,048.16 × 7,515.52
  4. Step 4: Simplify right side
    13,803.14x = 143,156,827.44
  5. Step 5: Solve for x
    x = 143,156,827.44/13,803.14
  6. Step 6: Final answer
    x = 10,371.32

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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.