Home / 12,341.04-18,513.40-3,574.80

Finding the Fourth Proportional to 12,341.04, 18,513.40 and 3,574.80

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Solution

The fourth proportional to 12,341.04, 18,513.40 and 3,574.80 is: 5,362.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,341.04 : 18,513.40 = 3,574.80 : x
  2. Step 2: Convert to fraction form
    12,341.04/18,513.40 = 3,574.80/x
  3. Step 3: Cross multiply
    12,341.04x = 18,513.40 × 3,574.80
  4. Step 4: Simplify right side
    12,341.04x = 66,181,702.32
  5. Step 5: Solve for x
    x = 66,181,702.32/12,341.04
  6. Step 6: Final answer
    x = 5,362.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.