Home / 13,970.52-20,955.30-3,582.36

Finding the Fourth Proportional to 13,970.52, 20,955.30 and 3,582.36

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Solution

The fourth proportional to 13,970.52, 20,955.30 and 3,582.36 is: 5,373.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970.52 : 20,955.30 = 3,582.36 : x
  2. Step 2: Convert to fraction form
    13,970.52/20,955.30 = 3,582.36/x
  3. Step 3: Cross multiply
    13,970.52x = 20,955.30 × 3,582.36
  4. Step 4: Simplify right side
    13,970.52x = 75,069,428.51
  5. Step 5: Solve for x
    x = 75,069,428.51/13,970.52
  6. Step 6: Final answer
    x = 5,373.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.