Home / 23,157.16-31,956.88-13,085.62

Finding the Fourth Proportional to 23,157.16, 31,956.88 and 13,085.62

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Solution

The fourth proportional to 23,157.16, 31,956.88 and 13,085.62 is: 18,058.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,157.16 : 31,956.88 = 13,085.62 : x
  2. Step 2: Convert to fraction form
    23,157.16/31,956.88 = 13,085.62/x
  3. Step 3: Cross multiply
    23,157.16x = 31,956.88 × 13,085.62
  4. Step 4: Simplify right side
    23,157.16x = 418,175,588.07
  5. Step 5: Solve for x
    x = 418,175,588.07/23,157.16
  6. Step 6: Final answer
    x = 18,058.16

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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.