Home / 19,501.84-26,913-11,119.12

Finding the Fourth Proportional to 19,501.84, 26,913 and 11,119.12

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Solution

The fourth proportional to 19,501.84, 26,913 and 11,119.12 is: 15,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,501.84 : 26,913 = 11,119.12 : x
  2. Step 2: Convert to fraction form
    19,501.84/26,913 = 11,119.12/x
  3. Step 3: Cross multiply
    19,501.84x = 26,913 × 11,119.12
  4. Step 4: Simplify right side
    19,501.84x = 299,248,876.56
  5. Step 5: Solve for x
    x = 299,248,876.56/19,501.84
  6. Step 6: Final answer
    x = 15,344.65

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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.