Home / 13,502.07-18,632.81-7,533.75

Finding the Fourth Proportional to 13,502.07, 18,632.81 and 7,533.75

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Solution

The fourth proportional to 13,502.07, 18,632.81 and 7,533.75 is: 10,396.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.07 : 18,632.81 = 7,533.75 : x
  2. Step 2: Convert to fraction form
    13,502.07/18,632.81 = 7,533.75/x
  3. Step 3: Cross multiply
    13,502.07x = 18,632.81 × 7,533.75
  4. Step 4: Simplify right side
    13,502.07x = 140,374,932.34
  5. Step 5: Solve for x
    x = 140,374,932.34/13,502.07
  6. Step 6: Final answer
    x = 10,396.55

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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.