Home / 16,417.63-22,590.71-15,958.36

Finding the Fourth Proportional to 16,417.63, 22,590.71 and 15,958.36

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Solution

The fourth proportional to 16,417.63, 22,590.71 and 15,958.36 is: 21,958.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,417.63 : 22,590.71 = 15,958.36 : x
  2. Step 2: Convert to fraction form
    16,417.63/22,590.71 = 15,958.36/x
  3. Step 3: Cross multiply
    16,417.63x = 22,590.71 × 15,958.36
  4. Step 4: Simplify right side
    16,417.63x = 360,510,682.84
  5. Step 5: Solve for x
    x = 360,510,682.84/16,417.63
  6. Step 6: Final answer
    x = 21,958.75

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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.