Home / 18,427.02-25,429.96-10,470.58

Finding the Fourth Proportional to 18,427.02, 25,429.96 and 10,470.58

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Solution

The fourth proportional to 18,427.02, 25,429.96 and 10,470.58 is: 14,449.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.02 : 25,429.96 = 10,470.58 : x
  2. Step 2: Convert to fraction form
    18,427.02/25,429.96 = 10,470.58/x
  3. Step 3: Cross multiply
    18,427.02x = 25,429.96 × 10,470.58
  4. Step 4: Simplify right side
    18,427.02x = 266,266,430.58
  5. Step 5: Solve for x
    x = 266,266,430.58/18,427.02
  6. Step 6: Final answer
    x = 14,449.78

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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.