Home / 18,431.04-25,435.52-10,474.60

Finding the Fourth Proportional to 18,431.04, 25,435.52 and 10,474.60

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Solution

The fourth proportional to 18,431.04, 25,435.52 and 10,474.60 is: 14,455.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431.04 : 25,435.52 = 10,474.60 : x
  2. Step 2: Convert to fraction form
    18,431.04/25,435.52 = 10,474.60/x
  3. Step 3: Cross multiply
    18,431.04x = 25,435.52 × 10,474.60
  4. Step 4: Simplify right side
    18,431.04x = 266,426,897.79
  5. Step 5: Solve for x
    x = 266,426,897.79/18,431.04
  6. Step 6: Final answer
    x = 14,455.34

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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.