Home / 23,266.40-32,099.74-15,316.64

Finding the Fourth Proportional to 23,266.40, 32,099.74 and 15,316.64

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Solution

The fourth proportional to 23,266.40, 32,099.74 and 15,316.64 is: 21,131.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,266.40 : 32,099.74 = 15,316.64 : x
  2. Step 2: Convert to fraction form
    23,266.40/32,099.74 = 15,316.64/x
  3. Step 3: Cross multiply
    23,266.40x = 32,099.74 × 15,316.64
  4. Step 4: Simplify right side
    23,266.40x = 491,660,161.67
  5. Step 5: Solve for x
    x = 491,660,161.67/23,266.40
  6. Step 6: Final answer
    x = 21,131.77

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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.