Home / 19,758.48-29,633.88-5,904.40

Finding the Fourth Proportional to 19,758.48, 29,633.88 and 5,904.40

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Solution

The fourth proportional to 19,758.48, 29,633.88 and 5,904.40 is: 8,855.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.48 : 29,633.88 = 5,904.40 : x
  2. Step 2: Convert to fraction form
    19,758.48/29,633.88 = 5,904.40/x
  3. Step 3: Cross multiply
    19,758.48x = 29,633.88 × 5,904.40
  4. Step 4: Simplify right side
    19,758.48x = 174,970,281.07
  5. Step 5: Solve for x
    x = 174,970,281.07/19,758.48
  6. Step 6: Final answer
    x = 8,855.45

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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.