Home / 15,715.34-23,580.70-7,395.02

Finding the Fourth Proportional to 15,715.34, 23,580.70 and 7,395.02

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Solution

The fourth proportional to 15,715.34, 23,580.70 and 7,395.02 is: 11,096.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,715.34 : 23,580.70 = 7,395.02 : x
  2. Step 2: Convert to fraction form
    15,715.34/23,580.70 = 7,395.02/x
  3. Step 3: Cross multiply
    15,715.34x = 23,580.70 × 7,395.02
  4. Step 4: Simplify right side
    15,715.34x = 174,379,748.11
  5. Step 5: Solve for x
    x = 174,379,748.11/15,715.34
  6. Step 6: Final answer
    x = 11,096.15

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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.