Home / 14,105.13-19,464.65-7,731.58

Finding the Fourth Proportional to 14,105.13, 19,464.65 and 7,731.58

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Solution

The fourth proportional to 14,105.13, 19,464.65 and 7,731.58 is: 10,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.13 : 19,464.65 = 7,731.58 : x
  2. Step 2: Convert to fraction form
    14,105.13/19,464.65 = 7,731.58/x
  3. Step 3: Cross multiply
    14,105.13x = 19,464.65 × 7,731.58
  4. Step 4: Simplify right side
    14,105.13x = 150,492,547.68
  5. Step 5: Solve for x
    x = 150,492,547.68/14,105.13
  6. Step 6: Final answer
    x = 10,669.35

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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.