Home / 25,013.81-34,519.06-14,405.50

Finding the Fourth Proportional to 25,013.81, 34,519.06 and 14,405.50

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Solution

The fourth proportional to 25,013.81, 34,519.06 and 14,405.50 is: 19,879.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,013.81 : 34,519.06 = 14,405.50 : x
  2. Step 2: Convert to fraction form
    25,013.81/34,519.06 = 14,405.50/x
  3. Step 3: Cross multiply
    25,013.81x = 34,519.06 × 14,405.50
  4. Step 4: Simplify right side
    25,013.81x = 497,264,185.82
  5. Step 5: Solve for x
    x = 497,264,185.82/25,013.81
  6. Step 6: Final answer
    x = 19,879.58

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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.