Home / 25,320.52-34,941.66-13,990.84

Finding the Fourth Proportional to 25,320.52, 34,941.66 and 13,990.84

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Solution

The fourth proportional to 25,320.52, 34,941.66 and 13,990.84 is: 19,307.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,320.52 : 34,941.66 = 13,990.84 : x
  2. Step 2: Convert to fraction form
    25,320.52/34,941.66 = 13,990.84/x
  3. Step 3: Cross multiply
    25,320.52x = 34,941.66 × 13,990.84
  4. Step 4: Simplify right side
    25,320.52x = 488,863,174.39
  5. Step 5: Solve for x
    x = 488,863,174.39/25,320.52
  6. Step 6: Final answer
    x = 19,307.00

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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.