Home / 14,975.60-22,458.39-4,978.04

Finding the Fourth Proportional to 14,975.60, 22,458.39 and 4,978.04

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Solution

The fourth proportional to 14,975.60, 22,458.39 and 4,978.04 is: 7,465.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,975.60 : 22,458.39 = 4,978.04 : x
  2. Step 2: Convert to fraction form
    14,975.60/22,458.39 = 4,978.04/x
  3. Step 3: Cross multiply
    14,975.60x = 22,458.39 × 4,978.04
  4. Step 4: Simplify right side
    14,975.60x = 111,798,763.76
  5. Step 5: Solve for x
    x = 111,798,763.76/14,975.60
  6. Step 6: Final answer
    x = 7,465.39

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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.