Home / 14,208.94-19,607.89-7,835.80

Finding the Fourth Proportional to 14,208.94, 19,607.89 and 7,835.80

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Solution

The fourth proportional to 14,208.94, 19,607.89 and 7,835.80 is: 10,813.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.94 : 19,607.89 = 7,835.80 : x
  2. Step 2: Convert to fraction form
    14,208.94/19,607.89 = 7,835.80/x
  3. Step 3: Cross multiply
    14,208.94x = 19,607.89 × 7,835.80
  4. Step 4: Simplify right side
    14,208.94x = 153,643,538.77
  5. Step 5: Solve for x
    x = 153,643,538.77/14,208.94
  6. Step 6: Final answer
    x = 10,813.16

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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.