Home / 14,431.09-21,643.90-5,068.91

Finding the Fourth Proportional to 14,431.09, 21,643.90 and 5,068.91

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Solution

The fourth proportional to 14,431.09, 21,643.90 and 5,068.91 is: 7,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431.09 : 21,643.90 = 5,068.91 : x
  2. Step 2: Convert to fraction form
    14,431.09/21,643.90 = 5,068.91/x
  3. Step 3: Cross multiply
    14,431.09x = 21,643.90 × 5,068.91
  4. Step 4: Simplify right side
    14,431.09x = 109,710,981.15
  5. Step 5: Solve for x
    x = 109,710,981.15/14,431.09
  6. Step 6: Final answer
    x = 7,602.40

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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.