Home / 22,818.02-31,487.04-12,745.67

Finding the Fourth Proportional to 22,818.02, 31,487.04 and 12,745.67

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Solution

The fourth proportional to 22,818.02, 31,487.04 and 12,745.67 is: 17,588.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,818.02 : 31,487.04 = 12,745.67 : x
  2. Step 2: Convert to fraction form
    22,818.02/31,487.04 = 12,745.67/x
  3. Step 3: Cross multiply
    22,818.02x = 31,487.04 × 12,745.67
  4. Step 4: Simplify right side
    22,818.02x = 401,323,263.68
  5. Step 5: Solve for x
    x = 401,323,263.68/22,818.02
  6. Step 6: Final answer
    x = 17,588.00

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1.5x scale

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.