Home / 32,145.39-48,225.78-13,415.01

Finding the Fourth Proportional to 32,145.39, 48,225.78 and 13,415.01

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Solution

The fourth proportional to 32,145.39, 48,225.78 and 13,415.01 is: 20,125.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,145.39 : 48,225.78 = 13,415.01 : x
  2. Step 2: Convert to fraction form
    32,145.39/48,225.78 = 13,415.01/x
  3. Step 3: Cross multiply
    32,145.39x = 48,225.78 × 13,415.01
  4. Step 4: Simplify right side
    32,145.39x = 646,949,320.96
  5. Step 5: Solve for x
    x = 646,949,320.96/32,145.39
  6. Step 6: Final answer
    x = 20,125.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.