Home / 14,051.87-21,085.08-10,188.17

Finding the Fourth Proportional to 14,051.87, 21,085.08 and 10,188.17

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Solution

The fourth proportional to 14,051.87, 21,085.08 and 10,188.17 is: 15,287.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.87 : 21,085.08 = 10,188.17 : x
  2. Step 2: Convert to fraction form
    14,051.87/21,085.08 = 10,188.17/x
  3. Step 3: Cross multiply
    14,051.87x = 21,085.08 × 10,188.17
  4. Step 4: Simplify right side
    14,051.87x = 214,818,274.08
  5. Step 5: Solve for x
    x = 214,818,274.08/14,051.87
  6. Step 6: Final answer
    x = 15,287.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.