Home / 18,423.89-25,425.65-10,467.46

Finding the Fourth Proportional to 18,423.89, 25,425.65 and 10,467.46

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Solution

The fourth proportional to 18,423.89, 25,425.65 and 10,467.46 is: 14,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.89 : 25,425.65 = 10,467.46 : x
  2. Step 2: Convert to fraction form
    18,423.89/25,425.65 = 10,467.46/x
  3. Step 3: Cross multiply
    18,423.89x = 25,425.65 × 10,467.46
  4. Step 4: Simplify right side
    18,423.89x = 266,141,973.42
  5. Step 5: Solve for x
    x = 266,141,973.42/18,423.89
  6. Step 6: Final answer
    x = 14,445.48

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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.