Home / 14,009.52-19,326.24-13,009.20

Finding the Fourth Proportional to 14,009.52, 19,326.24 and 13,009.20

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Solution

The fourth proportional to 14,009.52, 19,326.24 and 13,009.20 is: 17,946.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.52 : 19,326.24 = 13,009.20 : x
  2. Step 2: Convert to fraction form
    14,009.52/19,326.24 = 13,009.20/x
  3. Step 3: Cross multiply
    14,009.52x = 19,326.24 × 13,009.20
  4. Step 4: Simplify right side
    14,009.52x = 251,418,921.41
  5. Step 5: Solve for x
    x = 251,418,921.41/14,009.52
  6. Step 6: Final answer
    x = 17,946.29

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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.