Home / 25,156.88-34,715.76-14,548.40

Finding the Fourth Proportional to 25,156.88, 34,715.76 and 14,548.40

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Solution

The fourth proportional to 25,156.88, 34,715.76 and 14,548.40 is: 20,076.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,156.88 : 34,715.76 = 14,548.40 : x
  2. Step 2: Convert to fraction form
    25,156.88/34,715.76 = 14,548.40/x
  3. Step 3: Cross multiply
    25,156.88x = 34,715.76 × 14,548.40
  4. Step 4: Simplify right side
    25,156.88x = 505,058,762.78
  5. Step 5: Solve for x
    x = 505,058,762.78/25,156.88
  6. Step 6: Final answer
    x = 20,076.37

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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.