Home / 14,214.45-19,615.06-7,841.12

Finding the Fourth Proportional to 14,214.45, 19,615.06 and 7,841.12

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Solution

The fourth proportional to 14,214.45, 19,615.06 and 7,841.12 is: 10,820.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.45 : 19,615.06 = 7,841.12 : x
  2. Step 2: Convert to fraction form
    14,214.45/19,615.06 = 7,841.12/x
  3. Step 3: Cross multiply
    14,214.45x = 19,615.06 × 7,841.12
  4. Step 4: Simplify right side
    14,214.45x = 153,804,068.70
  5. Step 5: Solve for x
    x = 153,804,068.70/14,214.45
  6. Step 6: Final answer
    x = 10,820.26

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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.