Home / 19,598.10-29,368.35-7,890.90

Finding the Fourth Proportional to 19,598.10, 29,368.35 and 7,890.90

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Solution

The fourth proportional to 19,598.10, 29,368.35 and 7,890.90 is: 11,824.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,598.10 : 29,368.35 = 7,890.90 : x
  2. Step 2: Convert to fraction form
    19,598.10/29,368.35 = 7,890.90/x
  3. Step 3: Cross multiply
    19,598.10x = 29,368.35 × 7,890.90
  4. Step 4: Simplify right side
    19,598.10x = 231,742,713.02
  5. Step 5: Solve for x
    x = 231,742,713.02/19,598.10
  6. Step 6: Final answer
    x = 11,824.75

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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.