Home / 14,357.90-21,528.03-5,582.59

Finding the Fourth Proportional to 14,357.90, 21,528.03 and 5,582.59

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Solution

The fourth proportional to 14,357.90, 21,528.03 and 5,582.59 is: 8,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357.90 : 21,528.03 = 5,582.59 : x
  2. Step 2: Convert to fraction form
    14,357.90/21,528.03 = 5,582.59/x
  3. Step 3: Cross multiply
    14,357.90x = 21,528.03 × 5,582.59
  4. Step 4: Simplify right side
    14,357.90x = 120,182,057.36
  5. Step 5: Solve for x
    x = 120,182,057.36/14,357.90
  6. Step 6: Final answer
    x = 8,370.45

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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.