Home / 15,810.37-23,711.91-7,040.50

Finding the Fourth Proportional to 15,810.37, 23,711.91 and 7,040.50

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Solution

The fourth proportional to 15,810.37, 23,711.91 and 7,040.50 is: 10,559.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,810.37 : 23,711.91 = 7,040.50 : x
  2. Step 2: Convert to fraction form
    15,810.37/23,711.91 = 7,040.50/x
  3. Step 3: Cross multiply
    15,810.37x = 23,711.91 × 7,040.50
  4. Step 4: Simplify right side
    15,810.37x = 166,943,702.36
  5. Step 5: Solve for x
    x = 166,943,702.36/15,810.37
  6. Step 6: Final answer
    x = 10,559.13

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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.