Home / 14,184.19-19,574.03-7,810.66

Finding the Fourth Proportional to 14,184.19, 19,574.03 and 7,810.66

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Solution

The fourth proportional to 14,184.19, 19,574.03 and 7,810.66 is: 10,778.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.19 : 19,574.03 = 7,810.66 : x
  2. Step 2: Convert to fraction form
    14,184.19/19,574.03 = 7,810.66/x
  3. Step 3: Cross multiply
    14,184.19x = 19,574.03 × 7,810.66
  4. Step 4: Simplify right side
    14,184.19x = 152,886,137.15
  5. Step 5: Solve for x
    x = 152,886,137.15/14,184.19
  6. Step 6: Final answer
    x = 10,778.63

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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.