Home / 25,709.03-38,564.30-6,988.98

Finding the Fourth Proportional to 25,709.03, 38,564.30 and 6,988.98

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Solution

The fourth proportional to 25,709.03, 38,564.30 and 6,988.98 is: 10,483.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,709.03 : 38,564.30 = 6,988.98 : x
  2. Step 2: Convert to fraction form
    25,709.03/38,564.30 = 6,988.98/x
  3. Step 3: Cross multiply
    25,709.03x = 38,564.30 × 6,988.98
  4. Step 4: Simplify right side
    25,709.03x = 269,525,283.50
  5. Step 5: Solve for x
    x = 269,525,283.50/25,709.03
  6. Step 6: Final answer
    x = 10,483.68

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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.