Home / 14,075.71-21,116.95-4,715.77

Finding the Fourth Proportional to 14,075.71, 21,116.95 and 4,715.77

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Solution

The fourth proportional to 14,075.71, 21,116.95 and 4,715.77 is: 7,074.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.71 : 21,116.95 = 4,715.77 : x
  2. Step 2: Convert to fraction form
    14,075.71/21,116.95 = 4,715.77/x
  3. Step 3: Cross multiply
    14,075.71x = 21,116.95 × 4,715.77
  4. Step 4: Simplify right side
    14,075.71x = 99,582,679.30
  5. Step 5: Solve for x
    x = 99,582,679.30/14,075.71
  6. Step 6: Final answer
    x = 7,074.79

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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.