Home / 13,032.81-19,538.28-10,561.50

Finding the Fourth Proportional to 13,032.81, 19,538.28 and 10,561.50

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Solution

The fourth proportional to 13,032.81, 19,538.28 and 10,561.50 is: 15,833.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.81 : 19,538.28 = 10,561.50 : x
  2. Step 2: Convert to fraction form
    13,032.81/19,538.28 = 10,561.50/x
  3. Step 3: Cross multiply
    13,032.81x = 19,538.28 × 10,561.50
  4. Step 4: Simplify right side
    13,032.81x = 206,353,544.22
  5. Step 5: Solve for x
    x = 206,353,544.22/13,032.81
  6. Step 6: Final answer
    x = 15,833.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.