Home / 14,970.30-22,460.31-9,128.58

Finding the Fourth Proportional to 14,970.30, 22,460.31 and 9,128.58

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Solution

The fourth proportional to 14,970.30, 22,460.31 and 9,128.58 is: 13,695.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970.30 : 22,460.31 = 9,128.58 : x
  2. Step 2: Convert to fraction form
    14,970.30/22,460.31 = 9,128.58/x
  3. Step 3: Cross multiply
    14,970.30x = 22,460.31 × 9,128.58
  4. Step 4: Simplify right side
    14,970.30x = 205,030,736.66
  5. Step 5: Solve for x
    x = 205,030,736.66/14,970.30
  6. Step 6: Final answer
    x = 13,695.83

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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.