Home / 14,362.39-19,821.95-8,075.98

Finding the Fourth Proportional to 14,362.39, 19,821.95 and 8,075.98

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Solution

The fourth proportional to 14,362.39, 19,821.95 and 8,075.98 is: 11,145.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,362.39 : 19,821.95 = 8,075.98 : x
  2. Step 2: Convert to fraction form
    14,362.39/19,821.95 = 8,075.98/x
  3. Step 3: Cross multiply
    14,362.39x = 19,821.95 × 8,075.98
  4. Step 4: Simplify right side
    14,362.39x = 160,081,671.76
  5. Step 5: Solve for x
    x = 160,081,671.76/14,362.39
  6. Step 6: Final answer
    x = 11,145.89

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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.