Home / 14,114.43-19,503.29-10,128.54

Finding the Fourth Proportional to 14,114.43, 19,503.29 and 10,128.54

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Solution

The fourth proportional to 14,114.43, 19,503.29 and 10,128.54 is: 13,995.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.43 : 19,503.29 = 10,128.54 : x
  2. Step 2: Convert to fraction form
    14,114.43/19,503.29 = 10,128.54/x
  3. Step 3: Cross multiply
    14,114.43x = 19,503.29 × 10,128.54
  4. Step 4: Simplify right side
    14,114.43x = 197,539,802.25
  5. Step 5: Solve for x
    x = 197,539,802.25/14,114.43
  6. Step 6: Final answer
    x = 13,995.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.