Home / 18,427.59-25,430.67-10,469.34

Finding the Fourth Proportional to 18,427.59, 25,430.67 and 10,469.34

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Solution

The fourth proportional to 18,427.59, 25,430.67 and 10,469.34 is: 14,448.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.59 : 25,430.67 = 10,469.34 : x
  2. Step 2: Convert to fraction form
    18,427.59/25,430.67 = 10,469.34/x
  3. Step 3: Cross multiply
    18,427.59x = 25,430.67 × 10,469.34
  4. Step 4: Simplify right side
    18,427.59x = 266,242,330.66
  5. Step 5: Solve for x
    x = 266,242,330.66/18,427.59
  6. Step 6: Final answer
    x = 14,448.03

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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.