Home / 19,295.91-26,628.30-11,342.70

Finding the Fourth Proportional to 19,295.91, 26,628.30 and 11,342.70

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Solution

The fourth proportional to 19,295.91, 26,628.30 and 11,342.70 is: 15,652.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,295.91 : 26,628.30 = 11,342.70 : x
  2. Step 2: Convert to fraction form
    19,295.91/26,628.30 = 11,342.70/x
  3. Step 3: Cross multiply
    19,295.91x = 26,628.30 × 11,342.70
  4. Step 4: Simplify right side
    19,295.91x = 302,036,818.41
  5. Step 5: Solve for x
    x = 302,036,818.41/19,295.91
  6. Step 6: Final answer
    x = 15,652.89

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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.