Home / 22,966.01-31,690.64-12,895.55

Finding the Fourth Proportional to 22,966.01, 31,690.64 and 12,895.55

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Solution

The fourth proportional to 22,966.01, 31,690.64 and 12,895.55 is: 17,794.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,966.01 : 31,690.64 = 12,895.55 : x
  2. Step 2: Convert to fraction form
    22,966.01/31,690.64 = 12,895.55/x
  3. Step 3: Cross multiply
    22,966.01x = 31,690.64 × 12,895.55
  4. Step 4: Simplify right side
    22,966.01x = 408,668,009.72
  5. Step 5: Solve for x
    x = 408,668,009.72/22,966.01
  6. Step 6: Final answer
    x = 17,794.48

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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.