Home / 14,022.04-21,030.09-5,257.60

Finding the Fourth Proportional to 14,022.04, 21,030.09 and 5,257.60

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Solution

The fourth proportional to 14,022.04, 21,030.09 and 5,257.60 is: 7,885.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.04 : 21,030.09 = 5,257.60 : x
  2. Step 2: Convert to fraction form
    14,022.04/21,030.09 = 5,257.60/x
  3. Step 3: Cross multiply
    14,022.04x = 21,030.09 × 5,257.60
  4. Step 4: Simplify right side
    14,022.04x = 110,567,801.18
  5. Step 5: Solve for x
    x = 110,567,801.18/14,022.04
  6. Step 6: Final answer
    x = 7,885.29

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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.