Home / 32,762.74-45,212.58-18,615.60

Finding the Fourth Proportional to 32,762.74, 45,212.58 and 18,615.60

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Solution

The fourth proportional to 32,762.74, 45,212.58 and 18,615.60 is: 25,689.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,762.74 : 45,212.58 = 18,615.60 : x
  2. Step 2: Convert to fraction form
    32,762.74/45,212.58 = 18,615.60/x
  3. Step 3: Cross multiply
    32,762.74x = 45,212.58 × 18,615.60
  4. Step 4: Simplify right side
    32,762.74x = 841,659,304.25
  5. Step 5: Solve for x
    x = 841,659,304.25/32,762.74
  6. Step 6: Final answer
    x = 25,689.53

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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.