Home / 13,365.40-18,444.48-7,316.17

Finding the Fourth Proportional to 13,365.40, 18,444.48 and 7,316.17

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Solution

The fourth proportional to 13,365.40, 18,444.48 and 7,316.17 is: 10,096.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.40 : 18,444.48 = 7,316.17 : x
  2. Step 2: Convert to fraction form
    13,365.40/18,444.48 = 7,316.17/x
  3. Step 3: Cross multiply
    13,365.40x = 18,444.48 × 7,316.17
  4. Step 4: Simplify right side
    13,365.40x = 134,942,951.24
  5. Step 5: Solve for x
    x = 134,942,951.24/13,365.40
  6. Step 6: Final answer
    x = 10,096.44

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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.