Home / 13,365.99-18,444.84-7,397.53

Finding the Fourth Proportional to 13,365.99, 18,444.84 and 7,397.53

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Solution

The fourth proportional to 13,365.99, 18,444.84 and 7,397.53 is: 10,208.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.99 : 18,444.84 = 7,397.53 : x
  2. Step 2: Convert to fraction form
    13,365.99/18,444.84 = 7,397.53/x
  3. Step 3: Cross multiply
    13,365.99x = 18,444.84 × 7,397.53
  4. Step 4: Simplify right side
    13,365.99x = 136,446,204.20
  5. Step 5: Solve for x
    x = 136,446,204.20/13,365.99
  6. Step 6: Final answer
    x = 10,208.46

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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.