Home / 13,501.88-18,632.64-7,533.44

Finding the Fourth Proportional to 13,501.88, 18,632.64 and 7,533.44

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Solution

The fourth proportional to 13,501.88, 18,632.64 and 7,533.44 is: 10,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.88 : 18,632.64 = 7,533.44 : x
  2. Step 2: Convert to fraction form
    13,501.88/18,632.64 = 7,533.44/x
  3. Step 3: Cross multiply
    13,501.88x = 18,632.64 × 7,533.44
  4. Step 4: Simplify right side
    13,501.88x = 140,367,875.48
  5. Step 5: Solve for x
    x = 140,367,875.48/13,501.88
  6. Step 6: Final answer
    x = 10,396.17

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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.