Home / 14,228.48-21,338.40-7,302.08

Finding the Fourth Proportional to 14,228.48, 21,338.40 and 7,302.08

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Solution

The fourth proportional to 14,228.48, 21,338.40 and 7,302.08 is: 10,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.48 : 21,338.40 = 7,302.08 : x
  2. Step 2: Convert to fraction form
    14,228.48/21,338.40 = 7,302.08/x
  3. Step 3: Cross multiply
    14,228.48x = 21,338.40 × 7,302.08
  4. Step 4: Simplify right side
    14,228.48x = 155,814,703.87
  5. Step 5: Solve for x
    x = 155,814,703.87/14,228.48
  6. Step 6: Final answer
    x = 10,950.90

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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.