Home / 14,290.47-21,437.15-4,929.26

Finding the Fourth Proportional to 14,290.47, 21,437.15 and 4,929.26

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Solution

The fourth proportional to 14,290.47, 21,437.15 and 4,929.26 is: 7,394.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.47 : 21,437.15 = 4,929.26 : x
  2. Step 2: Convert to fraction form
    14,290.47/21,437.15 = 4,929.26/x
  3. Step 3: Cross multiply
    14,290.47x = 21,437.15 × 4,929.26
  4. Step 4: Simplify right side
    14,290.47x = 105,669,154.18
  5. Step 5: Solve for x
    x = 105,669,154.18/14,290.47
  6. Step 6: Final answer
    x = 7,394.38

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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.