Home / 23,688.06-35,531.76-13,707.78

Finding the Fourth Proportional to 23,688.06, 35,531.76 and 13,707.78

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Solution

The fourth proportional to 23,688.06, 35,531.76 and 13,707.78 is: 20,561.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,688.06 : 35,531.76 = 13,707.78 : x
  2. Step 2: Convert to fraction form
    23,688.06/35,531.76 = 13,707.78/x
  3. Step 3: Cross multiply
    23,688.06x = 35,531.76 × 13,707.78
  4. Step 4: Simplify right side
    23,688.06x = 487,061,549.09
  5. Step 5: Solve for x
    x = 487,061,549.09/23,688.06
  6. Step 6: Final answer
    x = 20,561.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.