Home / 15,783.31-23,670.87-4,687.48

Finding the Fourth Proportional to 15,783.31, 23,670.87 and 4,687.48

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Solution

The fourth proportional to 15,783.31, 23,670.87 and 4,687.48 is: 7,030.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783.31 : 23,670.87 = 4,687.48 : x
  2. Step 2: Convert to fraction form
    15,783.31/23,670.87 = 4,687.48/x
  3. Step 3: Cross multiply
    15,783.31x = 23,670.87 × 4,687.48
  4. Step 4: Simplify right side
    15,783.31x = 110,956,729.71
  5. Step 5: Solve for x
    x = 110,956,729.71/15,783.31
  6. Step 6: Final answer
    x = 7,030.00

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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.