Home / 18,573.35-25,631.24-10,615.55

Finding the Fourth Proportional to 18,573.35, 25,631.24 and 10,615.55

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Solution

The fourth proportional to 18,573.35, 25,631.24 and 10,615.55 is: 14,649.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.35 : 25,631.24 = 10,615.55 : x
  2. Step 2: Convert to fraction form
    18,573.35/25,631.24 = 10,615.55/x
  3. Step 3: Cross multiply
    18,573.35x = 25,631.24 × 10,615.55
  4. Step 4: Simplify right side
    18,573.35x = 272,089,528.55
  5. Step 5: Solve for x
    x = 272,089,528.55/18,573.35
  6. Step 6: Final answer
    x = 14,649.46

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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.