Home / 28,901.09-43,364.16-10,194.50

Finding the Fourth Proportional to 28,901.09, 43,364.16 and 10,194.50

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Solution

The fourth proportional to 28,901.09, 43,364.16 and 10,194.50 is: 15,296.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.09 : 43,364.16 = 10,194.50 : x
  2. Step 2: Convert to fraction form
    28,901.09/43,364.16 = 10,194.50/x
  3. Step 3: Cross multiply
    28,901.09x = 43,364.16 × 10,194.50
  4. Step 4: Simplify right side
    28,901.09x = 442,075,929.12
  5. Step 5: Solve for x
    x = 442,075,929.12/28,901.09
  6. Step 6: Final answer
    x = 15,296.17

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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.