Home / 25,582.47-35,294.44-15,503.64

Finding the Fourth Proportional to 25,582.47, 35,294.44 and 15,503.64

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Solution

The fourth proportional to 25,582.47, 35,294.44 and 15,503.64 is: 21,389.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,582.47 : 35,294.44 = 15,503.64 : x
  2. Step 2: Convert to fraction form
    25,582.47/35,294.44 = 15,503.64/x
  3. Step 3: Cross multiply
    25,582.47x = 35,294.44 × 15,503.64
  4. Step 4: Simplify right side
    25,582.47x = 547,192,291.76
  5. Step 5: Solve for x
    x = 547,192,291.76/25,582.47
  6. Step 6: Final answer
    x = 21,389.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.