Home / 13,434.83-18,540.08-7,466.34

Finding the Fourth Proportional to 13,434.83, 18,540.08 and 7,466.34

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Solution

The fourth proportional to 13,434.83, 18,540.08 and 7,466.34 is: 10,303.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.83 : 18,540.08 = 7,466.34 : x
  2. Step 2: Convert to fraction form
    13,434.83/18,540.08 = 7,466.34/x
  3. Step 3: Cross multiply
    13,434.83x = 18,540.08 × 7,466.34
  4. Step 4: Simplify right side
    13,434.83x = 138,426,503.58
  5. Step 5: Solve for x
    x = 138,426,503.58/13,434.83
  6. Step 6: Final answer
    x = 10,303.56

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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.