Home / 15,709.02-23,563.56-5,320.50

Finding the Fourth Proportional to 15,709.02, 23,563.56 and 5,320.50

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Solution

The fourth proportional to 15,709.02, 23,563.56 and 5,320.50 is: 7,980.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,709.02 : 23,563.56 = 5,320.50 : x
  2. Step 2: Convert to fraction form
    15,709.02/23,563.56 = 5,320.50/x
  3. Step 3: Cross multiply
    15,709.02x = 23,563.56 × 5,320.50
  4. Step 4: Simplify right side
    15,709.02x = 125,369,920.98
  5. Step 5: Solve for x
    x = 125,369,920.98/15,709.02
  6. Step 6: Final answer
    x = 7,980.76

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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.