Home / 14,005.51-19,326.03-8,339.46

Finding the Fourth Proportional to 14,005.51, 19,326.03 and 8,339.46

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Solution

The fourth proportional to 14,005.51, 19,326.03 and 8,339.46 is: 11,507.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.51 : 19,326.03 = 8,339.46 : x
  2. Step 2: Convert to fraction form
    14,005.51/19,326.03 = 8,339.46/x
  3. Step 3: Cross multiply
    14,005.51x = 19,326.03 × 8,339.46
  4. Step 4: Simplify right side
    14,005.51x = 161,168,550.40
  5. Step 5: Solve for x
    x = 161,168,550.40/14,005.51
  6. Step 6: Final answer
    x = 11,507.51

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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.