Home / 26,420.79-36,461.16-14,321.67

Finding the Fourth Proportional to 26,420.79, 36,461.16 and 14,321.67

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Solution

The fourth proportional to 26,420.79, 36,461.16 and 14,321.67 is: 19,764.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420.79 : 36,461.16 = 14,321.67 : x
  2. Step 2: Convert to fraction form
    26,420.79/36,461.16 = 14,321.67/x
  3. Step 3: Cross multiply
    26,420.79x = 36,461.16 × 14,321.67
  4. Step 4: Simplify right side
    26,420.79x = 522,184,745.89
  5. Step 5: Solve for x
    x = 522,184,745.89/26,420.79
  6. Step 6: Final answer
    x = 19,764.16

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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.