Home / 14,105.07-19,465.65-7,817.58

Finding the Fourth Proportional to 14,105.07, 19,465.65 and 7,817.58

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Solution

The fourth proportional to 14,105.07, 19,465.65 and 7,817.58 is: 10,788.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.07 : 19,465.65 = 7,817.58 : x
  2. Step 2: Convert to fraction form
    14,105.07/19,465.65 = 7,817.58/x
  3. Step 3: Cross multiply
    14,105.07x = 19,465.65 × 7,817.58
  4. Step 4: Simplify right side
    14,105.07x = 152,174,276.13
  5. Step 5: Solve for x
    x = 152,174,276.13/14,105.07
  6. Step 6: Final answer
    x = 10,788.62

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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.