Home / 14,045.51-19,386.13-8,080.63

Finding the Fourth Proportional to 14,045.51, 19,386.13 and 8,080.63

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Solution

The fourth proportional to 14,045.51, 19,386.13 and 8,080.63 is: 11,153.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.51 : 19,386.13 = 8,080.63 : x
  2. Step 2: Convert to fraction form
    14,045.51/19,386.13 = 8,080.63/x
  3. Step 3: Cross multiply
    14,045.51x = 19,386.13 × 8,080.63
  4. Step 4: Simplify right side
    14,045.51x = 156,652,143.66
  5. Step 5: Solve for x
    x = 156,652,143.66/14,045.51
  6. Step 6: Final answer
    x = 11,153.18

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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.