Home / 14,184.32-19,574.36-7,898.18

Finding the Fourth Proportional to 14,184.32, 19,574.36 and 7,898.18

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Solution

The fourth proportional to 14,184.32, 19,574.36 and 7,898.18 is: 10,899.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.32 : 19,574.36 = 7,898.18 : x
  2. Step 2: Convert to fraction form
    14,184.32/19,574.36 = 7,898.18/x
  3. Step 3: Cross multiply
    14,184.32x = 19,574.36 × 7,898.18
  4. Step 4: Simplify right side
    14,184.32x = 154,601,818.66
  5. Step 5: Solve for x
    x = 154,601,818.66/14,184.32
  6. Step 6: Final answer
    x = 10,899.49

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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.