Home / 19,590.15-29,396.91-7,111.17

Finding the Fourth Proportional to 19,590.15, 29,396.91 and 7,111.17

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Solution

The fourth proportional to 19,590.15, 29,396.91 and 7,111.17 is: 10,671.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.15 : 29,396.91 = 7,111.17 : x
  2. Step 2: Convert to fraction form
    19,590.15/29,396.91 = 7,111.17/x
  3. Step 3: Cross multiply
    19,590.15x = 29,396.91 × 7,111.17
  4. Step 4: Simplify right side
    19,590.15x = 209,046,424.48
  5. Step 5: Solve for x
    x = 209,046,424.48/19,590.15
  6. Step 6: Final answer
    x = 10,671.00

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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.