Home / 25,235.16-34,824-15,808.92

Finding the Fourth Proportional to 25,235.16, 34,824 and 15,808.92

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Solution

The fourth proportional to 25,235.16, 34,824 and 15,808.92 is: 21,815.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,235.16 : 34,824 = 15,808.92 : x
  2. Step 2: Convert to fraction form
    25,235.16/34,824 = 15,808.92/x
  3. Step 3: Cross multiply
    25,235.16x = 34,824 × 15,808.92
  4. Step 4: Simplify right side
    25,235.16x = 550,529,830.08
  5. Step 5: Solve for x
    x = 550,529,830.08/25,235.16
  6. Step 6: Final answer
    x = 21,815.98

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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.