Home / 15,690.63-23,539.59-5,302.38

Finding the Fourth Proportional to 15,690.63, 23,539.59 and 5,302.38

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Solution

The fourth proportional to 15,690.63, 23,539.59 and 5,302.38 is: 7,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690.63 : 23,539.59 = 5,302.38 : x
  2. Step 2: Convert to fraction form
    15,690.63/23,539.59 = 5,302.38/x
  3. Step 3: Cross multiply
    15,690.63x = 23,539.59 × 5,302.38
  4. Step 4: Simplify right side
    15,690.63x = 124,815,851.22
  5. Step 5: Solve for x
    x = 124,815,851.22/15,690.63
  6. Step 6: Final answer
    x = 7,954.80

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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.