Home / 14,048.22-19,390.76-8,386.93

Finding the Fourth Proportional to 14,048.22, 19,390.76 and 8,386.93

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Solution

The fourth proportional to 14,048.22, 19,390.76 and 8,386.93 is: 11,576.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.22 : 19,390.76 = 8,386.93 : x
  2. Step 2: Convert to fraction form
    14,048.22/19,390.76 = 8,386.93/x
  3. Step 3: Cross multiply
    14,048.22x = 19,390.76 × 8,386.93
  4. Step 4: Simplify right side
    14,048.22x = 162,628,946.77
  5. Step 5: Solve for x
    x = 162,628,946.77/14,048.22
  6. Step 6: Final answer
    x = 11,576.48

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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.