Home / 14,106.19-19,465.79-8,137.50

Finding the Fourth Proportional to 14,106.19, 19,465.79 and 8,137.50

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Solution

The fourth proportional to 14,106.19, 19,465.79 and 8,137.50 is: 11,229.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.19 : 19,465.79 = 8,137.50 : x
  2. Step 2: Convert to fraction form
    14,106.19/19,465.79 = 8,137.50/x
  3. Step 3: Cross multiply
    14,106.19x = 19,465.79 × 8,137.50
  4. Step 4: Simplify right side
    14,106.19x = 158,402,866.13
  5. Step 5: Solve for x
    x = 158,402,866.13/14,106.19
  6. Step 6: Final answer
    x = 11,229.32

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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.