Home / 15,329.04-22,987.80-4,938

Finding the Fourth Proportional to 15,329.04, 22,987.80 and 4,938

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Solution

The fourth proportional to 15,329.04, 22,987.80 and 4,938 is: 7,405.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,329.04 : 22,987.80 = 4,938 : x
  2. Step 2: Convert to fraction form
    15,329.04/22,987.80 = 4,938/x
  3. Step 3: Cross multiply
    15,329.04x = 22,987.80 × 4,938
  4. Step 4: Simplify right side
    15,329.04x = 113,513,756.40
  5. Step 5: Solve for x
    x = 113,513,756.40/15,329.04
  6. Step 6: Final answer
    x = 7,405.14

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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.