Home / 14,810.41-20,437.79-8,437.37

Finding the Fourth Proportional to 14,810.41, 20,437.79 and 8,437.37

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Solution

The fourth proportional to 14,810.41, 20,437.79 and 8,437.37 is: 11,643.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,810.41 : 20,437.79 = 8,437.37 : x
  2. Step 2: Convert to fraction form
    14,810.41/20,437.79 = 8,437.37/x
  3. Step 3: Cross multiply
    14,810.41x = 20,437.79 × 8,437.37
  4. Step 4: Simplify right side
    14,810.41x = 172,441,051.84
  5. Step 5: Solve for x
    x = 172,441,051.84/14,810.41
  6. Step 6: Final answer
    x = 11,643.23

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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.