Home / 25,307.18-34,926.01-13,977.71

Finding the Fourth Proportional to 25,307.18, 34,926.01 and 13,977.71

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Solution

The fourth proportional to 25,307.18, 34,926.01 and 13,977.71 is: 19,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,307.18 : 34,926.01 = 13,977.71 : x
  2. Step 2: Convert to fraction form
    25,307.18/34,926.01 = 13,977.71/x
  3. Step 3: Cross multiply
    25,307.18x = 34,926.01 × 13,977.71
  4. Step 4: Simplify right side
    25,307.18x = 488,185,429.66
  5. Step 5: Solve for x
    x = 488,185,429.66/25,307.18
  6. Step 6: Final answer
    x = 19,290.40

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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.