Home / 14,681.13-20,253.35-8,713.05

Finding the Fourth Proportional to 14,681.13, 20,253.35 and 8,713.05

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Solution

The fourth proportional to 14,681.13, 20,253.35 and 8,713.05 is: 12,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.13 : 20,253.35 = 8,713.05 : x
  2. Step 2: Convert to fraction form
    14,681.13/20,253.35 = 8,713.05/x
  3. Step 3: Cross multiply
    14,681.13x = 20,253.35 × 8,713.05
  4. Step 4: Simplify right side
    14,681.13x = 176,468,407.65
  5. Step 5: Solve for x
    x = 176,468,407.65/14,681.13
  6. Step 6: Final answer
    x = 12,020.08

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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.