Home / 19,160.12-26,439.54-10,775

Finding the Fourth Proportional to 19,160.12, 26,439.54 and 10,775

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Solution

The fourth proportional to 19,160.12, 26,439.54 and 10,775 is: 14,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160.12 : 26,439.54 = 10,775 : x
  2. Step 2: Convert to fraction form
    19,160.12/26,439.54 = 10,775/x
  3. Step 3: Cross multiply
    19,160.12x = 26,439.54 × 10,775
  4. Step 4: Simplify right side
    19,160.12x = 284,886,043.50
  5. Step 5: Solve for x
    x = 284,886,043.50/19,160.12
  6. Step 6: Final answer
    x = 14,868.70

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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.