Home / 14,206.08-19,605.06-7,918.50

Finding the Fourth Proportional to 14,206.08, 19,605.06 and 7,918.50

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Solution

The fourth proportional to 14,206.08, 19,605.06 and 7,918.50 is: 10,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,206.08 : 19,605.06 = 7,918.50 : x
  2. Step 2: Convert to fraction form
    14,206.08/19,605.06 = 7,918.50/x
  3. Step 3: Cross multiply
    14,206.08x = 19,605.06 × 7,918.50
  4. Step 4: Simplify right side
    14,206.08x = 155,242,667.61
  5. Step 5: Solve for x
    x = 155,242,667.61/14,206.08
  6. Step 6: Final answer
    x = 10,927.90

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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.