Home / 18,717.57-25,830.27-10,334.07

Finding the Fourth Proportional to 18,717.57, 25,830.27 and 10,334.07

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Solution

The fourth proportional to 18,717.57, 25,830.27 and 10,334.07 is: 14,261.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.57 : 25,830.27 = 10,334.07 : x
  2. Step 2: Convert to fraction form
    18,717.57/25,830.27 = 10,334.07/x
  3. Step 3: Cross multiply
    18,717.57x = 25,830.27 × 10,334.07
  4. Step 4: Simplify right side
    18,717.57x = 266,931,818.30
  5. Step 5: Solve for x
    x = 266,931,818.30/18,717.57
  6. Step 6: Final answer
    x = 14,261.03

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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.