Home / 14,100.09-19,547.18-13,351.07

Finding the Fourth Proportional to 14,100.09, 19,547.18 and 13,351.07

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Solution

The fourth proportional to 14,100.09, 19,547.18 and 13,351.07 is: 18,508.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.09 : 19,547.18 = 13,351.07 : x
  2. Step 2: Convert to fraction form
    14,100.09/19,547.18 = 13,351.07/x
  3. Step 3: Cross multiply
    14,100.09x = 19,547.18 × 13,351.07
  4. Step 4: Simplify right side
    14,100.09x = 260,975,603.99
  5. Step 5: Solve for x
    x = 260,975,603.99/14,100.09
  6. Step 6: Final answer
    x = 18,508.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.