Home / 22,590.77-31,178.93-21,594.16

Finding the Fourth Proportional to 22,590.77, 31,178.93 and 21,594.16

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Solution

The fourth proportional to 22,590.77, 31,178.93 and 21,594.16 is: 29,803.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,590.77 : 31,178.93 = 21,594.16 : x
  2. Step 2: Convert to fraction form
    22,590.77/31,178.93 = 21,594.16/x
  3. Step 3: Cross multiply
    22,590.77x = 31,178.93 × 21,594.16
  4. Step 4: Simplify right side
    22,590.77x = 673,282,734.05
  5. Step 5: Solve for x
    x = 673,282,734.05/22,590.77
  6. Step 6: Final answer
    x = 29,803.45

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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.