Home / 15,035.81-20,742.50-9,732.33

Finding the Fourth Proportional to 15,035.81, 20,742.50 and 9,732.33

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Solution

The fourth proportional to 15,035.81, 20,742.50 and 9,732.33 is: 13,426.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,035.81 : 20,742.50 = 9,732.33 : x
  2. Step 2: Convert to fraction form
    15,035.81/20,742.50 = 9,732.33/x
  3. Step 3: Cross multiply
    15,035.81x = 20,742.50 × 9,732.33
  4. Step 4: Simplify right side
    15,035.81x = 201,872,806.36
  5. Step 5: Solve for x
    x = 201,872,806.36/15,035.81
  6. Step 6: Final answer
    x = 13,426.13

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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.