Home / 13,820.91-19,073.12-7,533.29

Finding the Fourth Proportional to 13,820.91, 19,073.12 and 7,533.29

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Solution

The fourth proportional to 13,820.91, 19,073.12 and 7,533.29 is: 10,396.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820.91 : 19,073.12 = 7,533.29 : x
  2. Step 2: Convert to fraction form
    13,820.91/19,073.12 = 7,533.29/x
  3. Step 3: Cross multiply
    13,820.91x = 19,073.12 × 7,533.29
  4. Step 4: Simplify right side
    13,820.91x = 143,683,211.13
  5. Step 5: Solve for x
    x = 143,683,211.13/13,820.91
  6. Step 6: Final answer
    x = 10,396.07

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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.