Home / 14,855.66-20,507.13-10,011.45

Finding the Fourth Proportional to 14,855.66, 20,507.13 and 10,011.45

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Solution

The fourth proportional to 14,855.66, 20,507.13 and 10,011.45 is: 13,820.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,855.66 : 20,507.13 = 10,011.45 : x
  2. Step 2: Convert to fraction form
    14,855.66/20,507.13 = 10,011.45/x
  3. Step 3: Cross multiply
    14,855.66x = 20,507.13 × 10,011.45
  4. Step 4: Simplify right side
    14,855.66x = 205,306,106.64
  5. Step 5: Solve for x
    x = 205,306,106.64/14,855.66
  6. Step 6: Final answer
    x = 13,820.06

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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.