Home / 25,000.64-34,502.08-13,823.36

Finding the Fourth Proportional to 25,000.64, 34,502.08 and 13,823.36

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Solution

The fourth proportional to 25,000.64, 34,502.08 and 13,823.36 is: 19,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,000.64 : 34,502.08 = 13,823.36 : x
  2. Step 2: Convert to fraction form
    25,000.64/34,502.08 = 13,823.36/x
  3. Step 3: Cross multiply
    25,000.64x = 34,502.08 × 13,823.36
  4. Step 4: Simplify right side
    25,000.64x = 476,934,672.59
  5. Step 5: Solve for x
    x = 476,934,672.59/25,000.64
  6. Step 6: Final answer
    x = 19,076.90

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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.