Home / 19,061.72-26,314.30-12,698.90

Finding the Fourth Proportional to 19,061.72, 26,314.30 and 12,698.90

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Solution

The fourth proportional to 19,061.72, 26,314.30 and 12,698.90 is: 17,530.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,061.72 : 26,314.30 = 12,698.90 : x
  2. Step 2: Convert to fraction form
    19,061.72/26,314.30 = 12,698.90/x
  3. Step 3: Cross multiply
    19,061.72x = 26,314.30 × 12,698.90
  4. Step 4: Simplify right side
    19,061.72x = 334,162,664.27
  5. Step 5: Solve for x
    x = 334,162,664.27/19,061.72
  6. Step 6: Final answer
    x = 17,530.56

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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.