Home / 14,397.73-21,586.37-5,505.57

Finding the Fourth Proportional to 14,397.73, 21,586.37 and 5,505.57

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Solution

The fourth proportional to 14,397.73, 21,586.37 and 5,505.57 is: 8,254.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,397.73 : 21,586.37 = 5,505.57 : x
  2. Step 2: Convert to fraction form
    14,397.73/21,586.37 = 5,505.57/x
  3. Step 3: Cross multiply
    14,397.73x = 21,586.37 × 5,505.57
  4. Step 4: Simplify right side
    14,397.73x = 118,845,271.08
  5. Step 5: Solve for x
    x = 118,845,271.08/14,397.73
  6. Step 6: Final answer
    x = 8,254.45

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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.