Home / 25,237.20-34,826.58-15,810.96

Finding the Fourth Proportional to 25,237.20, 34,826.58 and 15,810.96

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Solution

The fourth proportional to 25,237.20, 34,826.58 and 15,810.96 is: 21,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,237.20 : 34,826.58 = 15,810.96 : x
  2. Step 2: Convert to fraction form
    25,237.20/34,826.58 = 15,810.96/x
  3. Step 3: Cross multiply
    25,237.20x = 34,826.58 × 15,810.96
  4. Step 4: Simplify right side
    25,237.20x = 550,641,663.32
  5. Step 5: Solve for x
    x = 550,641,663.32/25,237.20
  6. Step 6: Final answer
    x = 21,818.65

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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.