Home / 19,814.40-29,721.68-5,023.32

Finding the Fourth Proportional to 19,814.40, 29,721.68 and 5,023.32

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Solution

The fourth proportional to 19,814.40, 29,721.68 and 5,023.32 is: 7,535.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,814.40 : 29,721.68 = 5,023.32 : x
  2. Step 2: Convert to fraction form
    19,814.40/29,721.68 = 5,023.32/x
  3. Step 3: Cross multiply
    19,814.40x = 29,721.68 × 5,023.32
  4. Step 4: Simplify right side
    19,814.40x = 149,301,509.58
  5. Step 5: Solve for x
    x = 149,301,509.58/19,814.40
  6. Step 6: Final answer
    x = 7,535.00

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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.