Home / 25,157.87-34,718.69-13,827.77

Finding the Fourth Proportional to 25,157.87, 34,718.69 and 13,827.77

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Solution

The fourth proportional to 25,157.87, 34,718.69 and 13,827.77 is: 19,082.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,157.87 : 34,718.69 = 13,827.77 : x
  2. Step 2: Convert to fraction form
    25,157.87/34,718.69 = 13,827.77/x
  3. Step 3: Cross multiply
    25,157.87x = 34,718.69 × 13,827.77
  4. Step 4: Simplify right side
    25,157.87x = 480,081,817.29
  5. Step 5: Solve for x
    x = 480,081,817.29/25,157.87
  6. Step 6: Final answer
    x = 19,082.77

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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.