Home / 19,590.90-27,040.95-12,516.42

Finding the Fourth Proportional to 19,590.90, 27,040.95 and 12,516.42

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Solution

The fourth proportional to 19,590.90, 27,040.95 and 12,516.42 is: 17,276.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.90 : 27,040.95 = 12,516.42 : x
  2. Step 2: Convert to fraction form
    19,590.90/27,040.95 = 12,516.42/x
  3. Step 3: Cross multiply
    19,590.90x = 27,040.95 × 12,516.42
  4. Step 4: Simplify right side
    19,590.90x = 338,455,887.40
  5. Step 5: Solve for x
    x = 338,455,887.40/19,590.90
  6. Step 6: Final answer
    x = 17,276.18

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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.