Home / 22,312.54-33,437.85-12,437.02

Finding the Fourth Proportional to 22,312.54, 33,437.85 and 12,437.02

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Solution

The fourth proportional to 22,312.54, 33,437.85 and 12,437.02 is: 18,638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,312.54 : 33,437.85 = 12,437.02 : x
  2. Step 2: Convert to fraction form
    22,312.54/33,437.85 = 12,437.02/x
  3. Step 3: Cross multiply
    22,312.54x = 33,437.85 × 12,437.02
  4. Step 4: Simplify right side
    22,312.54x = 415,867,209.21
  5. Step 5: Solve for x
    x = 415,867,209.21/22,312.54
  6. Step 6: Final answer
    x = 18,638.27

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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.