Home / 13,040.04-17,976.48-9,307.56

Finding the Fourth Proportional to 13,040.04, 17,976.48 and 9,307.56

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Solution

The fourth proportional to 13,040.04, 17,976.48 and 9,307.56 is: 12,831.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.04 : 17,976.48 = 9,307.56 : x
  2. Step 2: Convert to fraction form
    13,040.04/17,976.48 = 9,307.56/x
  3. Step 3: Cross multiply
    13,040.04x = 17,976.48 × 9,307.56
  4. Step 4: Simplify right side
    13,040.04x = 167,317,166.19
  5. Step 5: Solve for x
    x = 167,317,166.19/13,040.04
  6. Step 6: Final answer
    x = 12,831.03

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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.