Home / 23,060.79-31,802.85-15,100.11

Finding the Fourth Proportional to 23,060.79, 31,802.85 and 15,100.11

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Solution

The fourth proportional to 23,060.79, 31,802.85 and 15,100.11 is: 20,824.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,060.79 : 31,802.85 = 15,100.11 : x
  2. Step 2: Convert to fraction form
    23,060.79/31,802.85 = 15,100.11/x
  3. Step 3: Cross multiply
    23,060.79x = 31,802.85 × 15,100.11
  4. Step 4: Simplify right side
    23,060.79x = 480,226,533.31
  5. Step 5: Solve for x
    x = 480,226,533.31/23,060.79
  6. Step 6: Final answer
    x = 20,824.37

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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.