Home / 14,222.48-21,331.56-5,461.52

Finding the Fourth Proportional to 14,222.48, 21,331.56 and 5,461.52

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Solution

The fourth proportional to 14,222.48, 21,331.56 and 5,461.52 is: 8,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.48 : 21,331.56 = 5,461.52 : x
  2. Step 2: Convert to fraction form
    14,222.48/21,331.56 = 5,461.52/x
  3. Step 3: Cross multiply
    14,222.48x = 21,331.56 × 5,461.52
  4. Step 4: Simplify right side
    14,222.48x = 116,502,741.57
  5. Step 5: Solve for x
    x = 116,502,741.57/14,222.48
  6. Step 6: Final answer
    x = 8,191.45

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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.