Home / 12,039.51-18,047.52-5,021.54

Finding the Fourth Proportional to 12,039.51, 18,047.52 and 5,021.54

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Solution

The fourth proportional to 12,039.51, 18,047.52 and 5,021.54 is: 7,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.51 : 18,047.52 = 5,021.54 : x
  2. Step 2: Convert to fraction form
    12,039.51/18,047.52 = 5,021.54/x
  3. Step 3: Cross multiply
    12,039.51x = 18,047.52 × 5,021.54
  4. Step 4: Simplify right side
    12,039.51x = 90,626,253.34
  5. Step 5: Solve for x
    x = 90,626,253.34/12,039.51
  6. Step 6: Final answer
    x = 7,527.40

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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.