Home / 20,349.51-30,527.01-19,119.33

Finding the Fourth Proportional to 20,349.51, 30,527.01 and 19,119.33

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Solution

The fourth proportional to 20,349.51, 30,527.01 and 19,119.33 is: 28,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,349.51 : 30,527.01 = 19,119.33 : x
  2. Step 2: Convert to fraction form
    20,349.51/30,527.01 = 19,119.33/x
  3. Step 3: Cross multiply
    20,349.51x = 30,527.01 × 19,119.33
  4. Step 4: Simplify right side
    20,349.51x = 583,655,978.10
  5. Step 5: Solve for x
    x = 583,655,978.10/20,349.51
  6. Step 6: Final answer
    x = 28,681.57

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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.