Home / 13,434.48-18,539.45-7,466.03

Finding the Fourth Proportional to 13,434.48, 18,539.45 and 7,466.03

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Solution

The fourth proportional to 13,434.48, 18,539.45 and 7,466.03 is: 10,303.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.48 : 18,539.45 = 7,466.03 : x
  2. Step 2: Convert to fraction form
    13,434.48/18,539.45 = 7,466.03/x
  3. Step 3: Cross multiply
    13,434.48x = 18,539.45 × 7,466.03
  4. Step 4: Simplify right side
    13,434.48x = 138,415,959.86
  5. Step 5: Solve for x
    x = 138,415,959.86/13,434.48
  6. Step 6: Final answer
    x = 10,303.04

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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.