Home / 13,272.54-18,315.03-7,303.26

Finding the Fourth Proportional to 13,272.54, 18,315.03 and 7,303.26

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Solution

The fourth proportional to 13,272.54, 18,315.03 and 7,303.26 is: 10,077.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.54 : 18,315.03 = 7,303.26 : x
  2. Step 2: Convert to fraction form
    13,272.54/18,315.03 = 7,303.26/x
  3. Step 3: Cross multiply
    13,272.54x = 18,315.03 × 7,303.26
  4. Step 4: Simplify right side
    13,272.54x = 133,759,426.00
  5. Step 5: Solve for x
    x = 133,759,426.00/13,272.54
  6. Step 6: Final answer
    x = 10,077.91

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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.