Home / 23,301.09-32,154.75-12,690.63

Finding the Fourth Proportional to 23,301.09, 32,154.75 and 12,690.63

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Solution

The fourth proportional to 23,301.09, 32,154.75 and 12,690.63 is: 17,512.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,301.09 : 32,154.75 = 12,690.63 : x
  2. Step 2: Convert to fraction form
    23,301.09/32,154.75 = 12,690.63/x
  3. Step 3: Cross multiply
    23,301.09x = 32,154.75 × 12,690.63
  4. Step 4: Simplify right side
    23,301.09x = 408,064,034.99
  5. Step 5: Solve for x
    x = 408,064,034.99/23,301.09
  6. Step 6: Final answer
    x = 17,512.66

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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.