Home / 13,501.85-18,633.13-7,533.52

Finding the Fourth Proportional to 13,501.85, 18,633.13 and 7,533.52

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Solution

The fourth proportional to 13,501.85, 18,633.13 and 7,533.52 is: 10,396.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.85 : 18,633.13 = 7,533.52 : x
  2. Step 2: Convert to fraction form
    13,501.85/18,633.13 = 7,533.52/x
  3. Step 3: Cross multiply
    13,501.85x = 18,633.13 × 7,533.52
  4. Step 4: Simplify right side
    13,501.85x = 140,372,992.10
  5. Step 5: Solve for x
    x = 140,372,992.10/13,501.85
  6. Step 6: Final answer
    x = 10,396.58

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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.