Home / 14,418.04-19,897.15-8,454.01

Finding the Fourth Proportional to 14,418.04, 19,897.15 and 8,454.01

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Solution

The fourth proportional to 14,418.04, 19,897.15 and 8,454.01 is: 11,666.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.04 : 19,897.15 = 8,454.01 : x
  2. Step 2: Convert to fraction form
    14,418.04/19,897.15 = 8,454.01/x
  3. Step 3: Cross multiply
    14,418.04x = 19,897.15 × 8,454.01
  4. Step 4: Simplify right side
    14,418.04x = 168,210,605.59
  5. Step 5: Solve for x
    x = 168,210,605.59/14,418.04
  6. Step 6: Final answer
    x = 11,666.68

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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.