Home / 15,239.07-22,851.63-6,918.75

Finding the Fourth Proportional to 15,239.07, 22,851.63 and 6,918.75

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Solution

The fourth proportional to 15,239.07, 22,851.63 and 6,918.75 is: 10,374.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239.07 : 22,851.63 = 6,918.75 : x
  2. Step 2: Convert to fraction form
    15,239.07/22,851.63 = 6,918.75/x
  3. Step 3: Cross multiply
    15,239.07x = 22,851.63 × 6,918.75
  4. Step 4: Simplify right side
    15,239.07x = 158,104,715.06
  5. Step 5: Solve for x
    x = 158,104,715.06/15,239.07
  6. Step 6: Final answer
    x = 10,374.96

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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.