Home / 25,312.01-34,929.87-13,981.30

Finding the Fourth Proportional to 25,312.01, 34,929.87 and 13,981.30

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Solution

The fourth proportional to 25,312.01, 34,929.87 and 13,981.30 is: 19,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,312.01 : 34,929.87 = 13,981.30 : x
  2. Step 2: Convert to fraction form
    25,312.01/34,929.87 = 13,981.30/x
  3. Step 3: Cross multiply
    25,312.01x = 34,929.87 × 13,981.30
  4. Step 4: Simplify right side
    25,312.01x = 488,364,851.68
  5. Step 5: Solve for x
    x = 488,364,851.68/25,312.01
  6. Step 6: Final answer
    x = 19,293.80

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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.