Home / 19,223.72-26,512.16-12,506.90

Finding the Fourth Proportional to 19,223.72, 26,512.16 and 12,506.90

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Solution

The fourth proportional to 19,223.72, 26,512.16 and 12,506.90 is: 17,248.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223.72 : 26,512.16 = 12,506.90 : x
  2. Step 2: Convert to fraction form
    19,223.72/26,512.16 = 12,506.90/x
  3. Step 3: Cross multiply
    19,223.72x = 26,512.16 × 12,506.90
  4. Step 4: Simplify right side
    19,223.72x = 331,584,738.81
  5. Step 5: Solve for x
    x = 331,584,738.81/19,223.72
  6. Step 6: Final answer
    x = 17,248.73

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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.