Home / 19,925.12-29,881.74-6,774.52

Finding the Fourth Proportional to 19,925.12, 29,881.74 and 6,774.52

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Solution

The fourth proportional to 19,925.12, 29,881.74 and 6,774.52 is: 10,159.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,925.12 : 29,881.74 = 6,774.52 : x
  2. Step 2: Convert to fraction form
    19,925.12/29,881.74 = 6,774.52/x
  3. Step 3: Cross multiply
    19,925.12x = 29,881.74 × 6,774.52
  4. Step 4: Simplify right side
    19,925.12x = 202,434,445.26
  5. Step 5: Solve for x
    x = 202,434,445.26/19,925.12
  6. Step 6: Final answer
    x = 10,159.76

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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.