Home / 19,113.17-26,376.33-11,153.84

Finding the Fourth Proportional to 19,113.17, 26,376.33 and 11,153.84

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Solution

The fourth proportional to 19,113.17, 26,376.33 and 11,153.84 is: 15,392.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.17 : 26,376.33 = 11,153.84 : x
  2. Step 2: Convert to fraction form
    19,113.17/26,376.33 = 11,153.84/x
  3. Step 3: Cross multiply
    19,113.17x = 26,376.33 × 11,153.84
  4. Step 4: Simplify right side
    19,113.17x = 294,197,274.55
  5. Step 5: Solve for x
    x = 294,197,274.55/19,113.17
  6. Step 6: Final answer
    x = 15,392.39

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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.