Home / 19,153.64-26,431.76-10,770.14

Finding the Fourth Proportional to 19,153.64, 26,431.76 and 10,770.14

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Solution

The fourth proportional to 19,153.64, 26,431.76 and 10,770.14 is: 14,862.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.64 : 26,431.76 = 10,770.14 : x
  2. Step 2: Convert to fraction form
    19,153.64/26,431.76 = 10,770.14/x
  3. Step 3: Cross multiply
    19,153.64x = 26,431.76 × 10,770.14
  4. Step 4: Simplify right side
    19,153.64x = 284,673,569.64
  5. Step 5: Solve for x
    x = 284,673,569.64/19,153.64
  6. Step 6: Final answer
    x = 14,862.64

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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.