Home / 38,967.51-58,438.83-12,665.91

Finding the Fourth Proportional to 38,967.51, 58,438.83 and 12,665.91

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Solution

The fourth proportional to 38,967.51, 58,438.83 and 12,665.91 is: 18,994.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,967.51 : 58,438.83 = 12,665.91 : x
  2. Step 2: Convert to fraction form
    38,967.51/58,438.83 = 12,665.91/x
  3. Step 3: Cross multiply
    38,967.51x = 58,438.83 × 12,665.91
  4. Step 4: Simplify right side
    38,967.51x = 740,180,961.29
  5. Step 5: Solve for x
    x = 740,180,961.29/38,967.51
  6. Step 6: Final answer
    x = 18,994.82

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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.