Home / 18,213.46-25,133.90-10,256.02

Finding the Fourth Proportional to 18,213.46, 25,133.90 and 10,256.02

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Solution

The fourth proportional to 18,213.46, 25,133.90 and 10,256.02 is: 14,152.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.46 : 25,133.90 = 10,256.02 : x
  2. Step 2: Convert to fraction form
    18,213.46/25,133.90 = 10,256.02/x
  3. Step 3: Cross multiply
    18,213.46x = 25,133.90 × 10,256.02
  4. Step 4: Simplify right side
    18,213.46x = 257,773,666.96
  5. Step 5: Solve for x
    x = 257,773,666.96/18,213.46
  6. Step 6: Final answer
    x = 14,152.92

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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.