Home / 19,058.40-28,590.36-5,911.83

Finding the Fourth Proportional to 19,058.40, 28,590.36 and 5,911.83

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Solution

The fourth proportional to 19,058.40, 28,590.36 and 5,911.83 is: 8,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,058.40 : 28,590.36 = 5,911.83 : x
  2. Step 2: Convert to fraction form
    19,058.40/28,590.36 = 5,911.83/x
  3. Step 3: Cross multiply
    19,058.40x = 28,590.36 × 5,911.83
  4. Step 4: Simplify right side
    19,058.40x = 169,021,347.96
  5. Step 5: Solve for x
    x = 169,021,347.96/19,058.40
  6. Step 6: Final answer
    x = 8,868.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.