Home / 25,340.12-34,971.51-14,729.07

Finding the Fourth Proportional to 25,340.12, 34,971.51 and 14,729.07

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Solution

The fourth proportional to 25,340.12, 34,971.51 and 14,729.07 is: 20,327.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,340.12 : 34,971.51 = 14,729.07 : x
  2. Step 2: Convert to fraction form
    25,340.12/34,971.51 = 14,729.07/x
  3. Step 3: Cross multiply
    25,340.12x = 34,971.51 × 14,729.07
  4. Step 4: Simplify right side
    25,340.12x = 515,097,818.80
  5. Step 5: Solve for x
    x = 515,097,818.80/25,340.12
  6. Step 6: Final answer
    x = 20,327.37

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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.