Home / 15,395.67-23,130.50-9,859.77

Finding the Fourth Proportional to 15,395.67, 23,130.50 and 9,859.77

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Solution

The fourth proportional to 15,395.67, 23,130.50 and 9,859.77 is: 14,813.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,395.67 : 23,130.50 = 9,859.77 : x
  2. Step 2: Convert to fraction form
    15,395.67/23,130.50 = 9,859.77/x
  3. Step 3: Cross multiply
    15,395.67x = 23,130.50 × 9,859.77
  4. Step 4: Simplify right side
    15,395.67x = 228,061,360.69
  5. Step 5: Solve for x
    x = 228,061,360.69/15,395.67
  6. Step 6: Final answer
    x = 14,813.34

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1.5x scale

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.