Home / 14,777.10-20,391.65-8,062.67

Finding the Fourth Proportional to 14,777.10, 20,391.65 and 8,062.67

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Solution

The fourth proportional to 14,777.10, 20,391.65 and 8,062.67 is: 11,126.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.10 : 20,391.65 = 8,062.67 : x
  2. Step 2: Convert to fraction form
    14,777.10/20,391.65 = 8,062.67/x
  3. Step 3: Cross multiply
    14,777.10x = 20,391.65 × 8,062.67
  4. Step 4: Simplify right side
    14,777.10x = 164,411,185.61
  5. Step 5: Solve for x
    x = 164,411,185.61/14,777.10
  6. Step 6: Final answer
    x = 11,126.08

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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.