Home / 14,042.48-19,355.55-9,955.68

Finding the Fourth Proportional to 14,042.48, 19,355.55 and 9,955.68

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Solution

The fourth proportional to 14,042.48, 19,355.55 and 9,955.68 is: 13,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.48 : 19,355.55 = 9,955.68 : x
  2. Step 2: Convert to fraction form
    14,042.48/19,355.55 = 9,955.68/x
  3. Step 3: Cross multiply
    14,042.48x = 19,355.55 × 9,955.68
  4. Step 4: Simplify right side
    14,042.48x = 192,697,662.02
  5. Step 5: Solve for x
    x = 192,697,662.02/14,042.48
  6. Step 6: Final answer
    x = 13,722.48

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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.