Home / 19,110.28-26,359.62-12,030.76

Finding the Fourth Proportional to 19,110.28, 26,359.62 and 12,030.76

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Solution

The fourth proportional to 19,110.28, 26,359.62 and 12,030.76 is: 16,594.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.28 : 26,359.62 = 12,030.76 : x
  2. Step 2: Convert to fraction form
    19,110.28/26,359.62 = 12,030.76/x
  3. Step 3: Cross multiply
    19,110.28x = 26,359.62 × 12,030.76
  4. Step 4: Simplify right side
    19,110.28x = 317,126,261.91
  5. Step 5: Solve for x
    x = 317,126,261.91/19,110.28
  6. Step 6: Final answer
    x = 16,594.54

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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.