Home / 23,143.02-31,908.33-18,889.76

Finding the Fourth Proportional to 23,143.02, 31,908.33 and 18,889.76

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Solution

The fourth proportional to 23,143.02, 31,908.33 and 18,889.76 is: 26,044.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.02 : 31,908.33 = 18,889.76 : x
  2. Step 2: Convert to fraction form
    23,143.02/31,908.33 = 18,889.76/x
  3. Step 3: Cross multiply
    23,143.02x = 31,908.33 × 18,889.76
  4. Step 4: Simplify right side
    23,143.02x = 602,740,595.99
  5. Step 5: Solve for x
    x = 602,740,595.99/23,143.02
  6. Step 6: Final answer
    x = 26,044.17

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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.