Home / 15,372.18-23,055.84-4,981.50

Finding the Fourth Proportional to 15,372.18, 23,055.84 and 4,981.50

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Solution

The fourth proportional to 15,372.18, 23,055.84 and 4,981.50 is: 7,471.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,372.18 : 23,055.84 = 4,981.50 : x
  2. Step 2: Convert to fraction form
    15,372.18/23,055.84 = 4,981.50/x
  3. Step 3: Cross multiply
    15,372.18x = 23,055.84 × 4,981.50
  4. Step 4: Simplify right side
    15,372.18x = 114,852,666.96
  5. Step 5: Solve for x
    x = 114,852,666.96/15,372.18
  6. Step 6: Final answer
    x = 7,471.46

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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.