Home / 18,322.72-25,285.28-10,364.96

Finding the Fourth Proportional to 18,322.72, 25,285.28 and 10,364.96

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Solution

The fourth proportional to 18,322.72, 25,285.28 and 10,364.96 is: 14,303.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,322.72 : 25,285.28 = 10,364.96 : x
  2. Step 2: Convert to fraction form
    18,322.72/25,285.28 = 10,364.96/x
  3. Step 3: Cross multiply
    18,322.72x = 25,285.28 × 10,364.96
  4. Step 4: Simplify right side
    18,322.72x = 262,080,915.79
  5. Step 5: Solve for x
    x = 262,080,915.79/18,322.72
  6. Step 6: Final answer
    x = 14,303.60

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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.