Home / 15,675.33-21,632.22-8,602.41

Finding the Fourth Proportional to 15,675.33, 21,632.22 and 8,602.41

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Solution

The fourth proportional to 15,675.33, 21,632.22 and 8,602.41 is: 11,871.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,675.33 : 21,632.22 = 8,602.41 : x
  2. Step 2: Convert to fraction form
    15,675.33/21,632.22 = 8,602.41/x
  3. Step 3: Cross multiply
    15,675.33x = 21,632.22 × 8,602.41
  4. Step 4: Simplify right side
    15,675.33x = 186,089,225.65
  5. Step 5: Solve for x
    x = 186,089,225.65/15,675.33
  6. Step 6: Final answer
    x = 11,871.47

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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.