Home / 14,349.47-19,802.86-7,976.05

Finding the Fourth Proportional to 14,349.47, 19,802.86 and 7,976.05

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Solution

The fourth proportional to 14,349.47, 19,802.86 and 7,976.05 is: 11,007.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.47 : 19,802.86 = 7,976.05 : x
  2. Step 2: Convert to fraction form
    14,349.47/19,802.86 = 7,976.05/x
  3. Step 3: Cross multiply
    14,349.47x = 19,802.86 × 7,976.05
  4. Step 4: Simplify right side
    14,349.47x = 157,948,532.06
  5. Step 5: Solve for x
    x = 157,948,532.06/14,349.47
  6. Step 6: Final answer
    x = 11,007.28

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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.