Home / 32,915.14-45,421.77-18,772.54

Finding the Fourth Proportional to 32,915.14, 45,421.77 and 18,772.54

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Solution

The fourth proportional to 32,915.14, 45,421.77 and 18,772.54 is: 25,905.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,915.14 : 45,421.77 = 18,772.54 : x
  2. Step 2: Convert to fraction form
    32,915.14/45,421.77 = 18,772.54/x
  3. Step 3: Cross multiply
    32,915.14x = 45,421.77 × 18,772.54
  4. Step 4: Simplify right side
    32,915.14x = 852,681,994.20
  5. Step 5: Solve for x
    x = 852,681,994.20/32,915.14
  6. Step 6: Final answer
    x = 25,905.46

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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.