Home / 19,445.10-26,834.75-10,947.54

Finding the Fourth Proportional to 19,445.10, 26,834.75 and 10,947.54

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Solution

The fourth proportional to 19,445.10, 26,834.75 and 10,947.54 is: 15,107.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,445.10 : 26,834.75 = 10,947.54 : x
  2. Step 2: Convert to fraction form
    19,445.10/26,834.75 = 10,947.54/x
  3. Step 3: Cross multiply
    19,445.10x = 26,834.75 × 10,947.54
  4. Step 4: Simplify right side
    19,445.10x = 293,774,444.28
  5. Step 5: Solve for x
    x = 293,774,444.28/19,445.10
  6. Step 6: Final answer
    x = 15,107.89

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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.