Home / 14,068.36-19,417.56-8,103.48

Finding the Fourth Proportional to 14,068.36, 19,417.56 and 8,103.48

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Solution

The fourth proportional to 14,068.36, 19,417.56 and 8,103.48 is: 11,184.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,068.36 : 19,417.56 = 8,103.48 : x
  2. Step 2: Convert to fraction form
    14,068.36/19,417.56 = 8,103.48/x
  3. Step 3: Cross multiply
    14,068.36x = 19,417.56 × 8,103.48
  4. Step 4: Simplify right side
    14,068.36x = 157,349,809.11
  5. Step 5: Solve for x
    x = 157,349,809.11/14,068.36
  6. Step 6: Final answer
    x = 11,184.66

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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.