Home / 14,870.36-20,521.13-8,582.73

Finding the Fourth Proportional to 14,870.36, 20,521.13 and 8,582.73

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Solution

The fourth proportional to 14,870.36, 20,521.13 and 8,582.73 is: 11,844.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,870.36 : 20,521.13 = 8,582.73 : x
  2. Step 2: Convert to fraction form
    14,870.36/20,521.13 = 8,582.73/x
  3. Step 3: Cross multiply
    14,870.36x = 20,521.13 × 8,582.73
  4. Step 4: Simplify right side
    14,870.36x = 176,127,275.17
  5. Step 5: Solve for x
    x = 176,127,275.17/14,870.36
  6. Step 6: Final answer
    x = 11,844.19

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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.