Home / 13,317.04-19,985.64-10,036.72

Finding the Fourth Proportional to 13,317.04, 19,985.64 and 10,036.72

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Solution

The fourth proportional to 13,317.04, 19,985.64 and 10,036.72 is: 15,062.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.04 : 19,985.64 = 10,036.72 : x
  2. Step 2: Convert to fraction form
    13,317.04/19,985.64 = 10,036.72/x
  3. Step 3: Cross multiply
    13,317.04x = 19,985.64 × 10,036.72
  4. Step 4: Simplify right side
    13,317.04x = 200,590,272.70
  5. Step 5: Solve for x
    x = 200,590,272.70/13,317.04
  6. Step 6: Final answer
    x = 15,062.68

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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.