Home / 14,388.19-19,855.40-8,014.77

Finding the Fourth Proportional to 14,388.19, 19,855.40 and 8,014.77

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Solution

The fourth proportional to 14,388.19, 19,855.40 and 8,014.77 is: 11,060.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,388.19 : 19,855.40 = 8,014.77 : x
  2. Step 2: Convert to fraction form
    14,388.19/19,855.40 = 8,014.77/x
  3. Step 3: Cross multiply
    14,388.19x = 19,855.40 × 8,014.77
  4. Step 4: Simplify right side
    14,388.19x = 159,136,547.65
  5. Step 5: Solve for x
    x = 159,136,547.65/14,388.19
  6. Step 6: Final answer
    x = 11,060.22

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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.