Home / 23,157.34-31,956.92-13,085.60

Finding the Fourth Proportional to 23,157.34, 31,956.92 and 13,085.60

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Solution

The fourth proportional to 23,157.34, 31,956.92 and 13,085.60 is: 18,058.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,157.34 : 31,956.92 = 13,085.60 : x
  2. Step 2: Convert to fraction form
    23,157.34/31,956.92 = 13,085.60/x
  3. Step 3: Cross multiply
    23,157.34x = 31,956.92 × 13,085.60
  4. Step 4: Simplify right side
    23,157.34x = 418,175,472.35
  5. Step 5: Solve for x
    x = 418,175,472.35/23,157.34
  6. Step 6: Final answer
    x = 18,058.01

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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.