Home / 15,315.60-22,970.88-4,926

Finding the Fourth Proportional to 15,315.60, 22,970.88 and 4,926

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Solution

The fourth proportional to 15,315.60, 22,970.88 and 4,926 is: 7,388.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,315.60 : 22,970.88 = 4,926 : x
  2. Step 2: Convert to fraction form
    15,315.60/22,970.88 = 4,926/x
  3. Step 3: Cross multiply
    15,315.60x = 22,970.88 × 4,926
  4. Step 4: Simplify right side
    15,315.60x = 113,154,554.88
  5. Step 5: Solve for x
    x = 113,154,554.88/15,315.60
  6. Step 6: Final answer
    x = 7,388.19

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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.