Home / 19,157.76-26,439.75-12,086.46

Finding the Fourth Proportional to 19,157.76, 26,439.75 and 12,086.46

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Solution

The fourth proportional to 19,157.76, 26,439.75 and 12,086.46 is: 16,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157.76 : 26,439.75 = 12,086.46 : x
  2. Step 2: Convert to fraction form
    19,157.76/26,439.75 = 12,086.46/x
  3. Step 3: Cross multiply
    19,157.76x = 26,439.75 × 12,086.46
  4. Step 4: Simplify right side
    19,157.76x = 319,562,980.79
  5. Step 5: Solve for x
    x = 319,562,980.79/19,157.76
  6. Step 6: Final answer
    x = 16,680.60

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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.