Home / 22,590.09-31,101.57-19,397.07

Finding the Fourth Proportional to 22,590.09, 31,101.57 and 19,397.07

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Solution

The fourth proportional to 22,590.09, 31,101.57 and 19,397.07 is: 26,705.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,590.09 : 31,101.57 = 19,397.07 : x
  2. Step 2: Convert to fraction form
    22,590.09/31,101.57 = 19,397.07/x
  3. Step 3: Cross multiply
    22,590.09x = 31,101.57 × 19,397.07
  4. Step 4: Simplify right side
    22,590.09x = 603,279,330.40
  5. Step 5: Solve for x
    x = 603,279,330.40/22,590.09
  6. Step 6: Final answer
    x = 26,705.49

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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.