Home / 13,955.97-19,259.39-7,668.35

Finding the Fourth Proportional to 13,955.97, 19,259.39 and 7,668.35

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Solution

The fourth proportional to 13,955.97, 19,259.39 and 7,668.35 is: 10,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.97 : 19,259.39 = 7,668.35 : x
  2. Step 2: Convert to fraction form
    13,955.97/19,259.39 = 7,668.35/x
  3. Step 3: Cross multiply
    13,955.97x = 19,259.39 × 7,668.35
  4. Step 4: Simplify right side
    13,955.97x = 147,687,666.18
  5. Step 5: Solve for x
    x = 147,687,666.18/13,955.97
  6. Step 6: Final answer
    x = 10,582.40

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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.