Home / 14,191.06-19,583.70-7,817.50

Finding the Fourth Proportional to 14,191.06, 19,583.70 and 7,817.50

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Solution

The fourth proportional to 14,191.06, 19,583.70 and 7,817.50 is: 10,788.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.06 : 19,583.70 = 7,817.50 : x
  2. Step 2: Convert to fraction form
    14,191.06/19,583.70 = 7,817.50/x
  3. Step 3: Cross multiply
    14,191.06x = 19,583.70 × 7,817.50
  4. Step 4: Simplify right side
    14,191.06x = 153,095,574.75
  5. Step 5: Solve for x
    x = 153,095,574.75/14,191.06
  6. Step 6: Final answer
    x = 10,788.17

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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.