Home / 18,427.05-25,430.00-10,470.62

Finding the Fourth Proportional to 18,427.05, 25,430.00 and 10,470.62

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Solution

The fourth proportional to 18,427.05, 25,430.00 and 10,470.62 is: 14,449.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.05 : 25,430.00 = 10,470.62 : x
  2. Step 2: Convert to fraction form
    18,427.05/25,430.00 = 10,470.62/x
  3. Step 3: Cross multiply
    18,427.05x = 25,430.00 × 10,470.62
  4. Step 4: Simplify right side
    18,427.05x = 266,267,829.20
  5. Step 5: Solve for x
    x = 266,267,829.20/18,427.05
  6. Step 6: Final answer
    x = 14,449.84

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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.