Home / 23,135.84-31,927.18-13,704.56

Finding the Fourth Proportional to 23,135.84, 31,927.18 and 13,704.56

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Solution

The fourth proportional to 23,135.84, 31,927.18 and 13,704.56 is: 18,912.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.84 : 31,927.18 = 13,704.56 : x
  2. Step 2: Convert to fraction form
    23,135.84/31,927.18 = 13,704.56/x
  3. Step 3: Cross multiply
    23,135.84x = 31,927.18 × 13,704.56
  4. Step 4: Simplify right side
    23,135.84x = 437,547,953.94
  5. Step 5: Solve for x
    x = 437,547,953.94/23,135.84
  6. Step 6: Final answer
    x = 18,912.13

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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.