Home / 19,518.84-26,937.54-11,135.16

Finding the Fourth Proportional to 19,518.84, 26,937.54 and 11,135.16

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Solution

The fourth proportional to 19,518.84, 26,937.54 and 11,135.16 is: 15,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.84 : 26,937.54 = 11,135.16 : x
  2. Step 2: Convert to fraction form
    19,518.84/26,937.54 = 11,135.16/x
  3. Step 3: Cross multiply
    19,518.84x = 26,937.54 × 11,135.16
  4. Step 4: Simplify right side
    19,518.84x = 299,953,817.91
  5. Step 5: Solve for x
    x = 299,953,817.91/19,518.84
  6. Step 6: Final answer
    x = 15,367.40

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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.