Home / 13,710.84-20,533.39-7,455.33

Finding the Fourth Proportional to 13,710.84, 20,533.39 and 7,455.33

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Solution

The fourth proportional to 13,710.84, 20,533.39 and 7,455.33 is: 11,165.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710.84 : 20,533.39 = 7,455.33 : x
  2. Step 2: Convert to fraction form
    13,710.84/20,533.39 = 7,455.33/x
  3. Step 3: Cross multiply
    13,710.84x = 20,533.39 × 7,455.33
  4. Step 4: Simplify right side
    13,710.84x = 153,083,270.41
  5. Step 5: Solve for x
    x = 153,083,270.41/13,710.84
  6. Step 6: Final answer
    x = 11,165.13

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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.