Home / 32,145.77-48,226.35-13,415.39

Finding the Fourth Proportional to 32,145.77, 48,226.35 and 13,415.39

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Solution

The fourth proportional to 32,145.77, 48,226.35 and 13,415.39 is: 20,126.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,145.77 : 48,226.35 = 13,415.39 : x
  2. Step 2: Convert to fraction form
    32,145.77/48,226.35 = 13,415.39/x
  3. Step 3: Cross multiply
    32,145.77x = 48,226.35 × 13,415.39
  4. Step 4: Simplify right side
    32,145.77x = 646,974,985.32
  5. Step 5: Solve for x
    x = 646,974,985.32/32,145.77
  6. Step 6: Final answer
    x = 20,126.29

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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.