Home / 15,990.61-23,985.98-4,897.26

Finding the Fourth Proportional to 15,990.61, 23,985.98 and 4,897.26

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Solution

The fourth proportional to 15,990.61, 23,985.98 and 4,897.26 is: 7,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.61 : 23,985.98 = 4,897.26 : x
  2. Step 2: Convert to fraction form
    15,990.61/23,985.98 = 4,897.26/x
  3. Step 3: Cross multiply
    15,990.61x = 23,985.98 × 4,897.26
  4. Step 4: Simplify right side
    15,990.61x = 117,465,436.00
  5. Step 5: Solve for x
    x = 117,465,436.00/15,990.61
  6. Step 6: Final answer
    x = 7,345.90

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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.