Home / 14,795.56-20,417.04-8,423.70

Finding the Fourth Proportional to 14,795.56, 20,417.04 and 8,423.70

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Solution

The fourth proportional to 14,795.56, 20,417.04 and 8,423.70 is: 11,624.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,795.56 : 20,417.04 = 8,423.70 : x
  2. Step 2: Convert to fraction form
    14,795.56/20,417.04 = 8,423.70/x
  3. Step 3: Cross multiply
    14,795.56x = 20,417.04 × 8,423.70
  4. Step 4: Simplify right side
    14,795.56x = 171,986,875.64
  5. Step 5: Solve for x
    x = 171,986,875.64/14,795.56
  6. Step 6: Final answer
    x = 11,624.23

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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.