Home / 19,191.84-26,486.28-10,696.71

Finding the Fourth Proportional to 19,191.84, 26,486.28 and 10,696.71

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Solution

The fourth proportional to 19,191.84, 26,486.28 and 10,696.71 is: 14,762.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191.84 : 26,486.28 = 10,696.71 : x
  2. Step 2: Convert to fraction form
    19,191.84/26,486.28 = 10,696.71/x
  3. Step 3: Cross multiply
    19,191.84x = 26,486.28 × 10,696.71
  4. Step 4: Simplify right side
    19,191.84x = 283,315,991.43
  5. Step 5: Solve for x
    x = 283,315,991.43/19,191.84
  6. Step 6: Final answer
    x = 14,762.32

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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.