Home / 14,140.01-21,208.64-7,117.23

Finding the Fourth Proportional to 14,140.01, 21,208.64 and 7,117.23

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Solution

The fourth proportional to 14,140.01, 21,208.64 and 7,117.23 is: 10,675.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.01 : 21,208.64 = 7,117.23 : x
  2. Step 2: Convert to fraction form
    14,140.01/21,208.64 = 7,117.23/x
  3. Step 3: Cross multiply
    14,140.01x = 21,208.64 × 7,117.23
  4. Step 4: Simplify right side
    14,140.01x = 150,946,768.87
  5. Step 5: Solve for x
    x = 150,946,768.87/14,140.01
  6. Step 6: Final answer
    x = 10,675.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.