Home / 18,744.48-25,857.34-12,364.76

Finding the Fourth Proportional to 18,744.48, 25,857.34 and 12,364.76

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Solution

The fourth proportional to 18,744.48, 25,857.34 and 12,364.76 is: 17,056.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.48 : 25,857.34 = 12,364.76 : x
  2. Step 2: Convert to fraction form
    18,744.48/25,857.34 = 12,364.76/x
  3. Step 3: Cross multiply
    18,744.48x = 25,857.34 × 12,364.76
  4. Step 4: Simplify right side
    18,744.48x = 319,719,803.34
  5. Step 5: Solve for x
    x = 319,719,803.34/18,744.48
  6. Step 6: Final answer
    x = 17,056.74

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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.