Home / 14,640.12-20,203.29-7,925.67

Finding the Fourth Proportional to 14,640.12, 20,203.29 and 7,925.67

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Solution

The fourth proportional to 14,640.12, 20,203.29 and 7,925.67 is: 10,937.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.12 : 20,203.29 = 7,925.67 : x
  2. Step 2: Convert to fraction form
    14,640.12/20,203.29 = 7,925.67/x
  3. Step 3: Cross multiply
    14,640.12x = 20,203.29 × 7,925.67
  4. Step 4: Simplify right side
    14,640.12x = 160,124,609.45
  5. Step 5: Solve for x
    x = 160,124,609.45/14,640.12
  6. Step 6: Final answer
    x = 10,937.38

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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.