Home / 25,364.24-35,019.80-15,807.92

Finding the Fourth Proportional to 25,364.24, 35,019.80 and 15,807.92

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Solution

The fourth proportional to 25,364.24, 35,019.80 and 15,807.92 is: 21,825.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,364.24 : 35,019.80 = 15,807.92 : x
  2. Step 2: Convert to fraction form
    25,364.24/35,019.80 = 15,807.92/x
  3. Step 3: Cross multiply
    25,364.24x = 35,019.80 × 15,807.92
  4. Step 4: Simplify right side
    25,364.24x = 553,590,196.82
  5. Step 5: Solve for x
    x = 553,590,196.82/25,364.24
  6. Step 6: Final answer
    x = 21,825.62

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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.