Home / 23,126.54-31,916.06-13,051.30

Finding the Fourth Proportional to 23,126.54, 31,916.06 and 13,051.30

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Solution

The fourth proportional to 23,126.54, 31,916.06 and 13,051.30 is: 18,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,126.54 : 31,916.06 = 13,051.30 : x
  2. Step 2: Convert to fraction form
    23,126.54/31,916.06 = 13,051.30/x
  3. Step 3: Cross multiply
    23,126.54x = 31,916.06 × 13,051.30
  4. Step 4: Simplify right side
    23,126.54x = 416,545,849.04
  5. Step 5: Solve for x
    x = 416,545,849.04/23,126.54
  6. Step 6: Final answer
    x = 18,011.60

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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.