Home / 19,270.72-26,590.50-11,713.02

Finding the Fourth Proportional to 19,270.72, 26,590.50 and 11,713.02

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Solution

The fourth proportional to 19,270.72, 26,590.50 and 11,713.02 is: 16,162.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.72 : 26,590.50 = 11,713.02 : x
  2. Step 2: Convert to fraction form
    19,270.72/26,590.50 = 11,713.02/x
  3. Step 3: Cross multiply
    19,270.72x = 26,590.50 × 11,713.02
  4. Step 4: Simplify right side
    19,270.72x = 311,455,058.31
  5. Step 5: Solve for x
    x = 311,455,058.31/19,270.72
  6. Step 6: Final answer
    x = 16,162.09

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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.