Home / 13,369.01-18,450.53-7,400.93

Finding the Fourth Proportional to 13,369.01, 18,450.53 and 7,400.93

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Solution

The fourth proportional to 13,369.01, 18,450.53 and 7,400.93 is: 10,214.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.01 : 18,450.53 = 7,400.93 : x
  2. Step 2: Convert to fraction form
    13,369.01/18,450.53 = 7,400.93/x
  3. Step 3: Cross multiply
    13,369.01x = 18,450.53 × 7,400.93
  4. Step 4: Simplify right side
    13,369.01x = 136,550,951.74
  5. Step 5: Solve for x
    x = 136,550,951.74/13,369.01
  6. Step 6: Final answer
    x = 10,214.00

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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.