Home / 25,298.10-34,911.30-14,120.10

Finding the Fourth Proportional to 25,298.10, 34,911.30 and 14,120.10

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Solution

The fourth proportional to 25,298.10, 34,911.30 and 14,120.10 is: 19,485.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,298.10 : 34,911.30 = 14,120.10 : x
  2. Step 2: Convert to fraction form
    25,298.10/34,911.30 = 14,120.10/x
  3. Step 3: Cross multiply
    25,298.10x = 34,911.30 × 14,120.10
  4. Step 4: Simplify right side
    25,298.10x = 492,951,047.13
  5. Step 5: Solve for x
    x = 492,951,047.13/25,298.10
  6. Step 6: Final answer
    x = 19,485.69

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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.