Home / 14,423.35-19,904.48-8,459.32

Finding the Fourth Proportional to 14,423.35, 19,904.48 and 8,459.32

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Solution

The fourth proportional to 14,423.35, 19,904.48 and 8,459.32 is: 11,674.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.35 : 19,904.48 = 8,459.32 : x
  2. Step 2: Convert to fraction form
    14,423.35/19,904.48 = 8,459.32/x
  3. Step 3: Cross multiply
    14,423.35x = 19,904.48 × 8,459.32
  4. Step 4: Simplify right side
    14,423.35x = 168,378,365.75
  5. Step 5: Solve for x
    x = 168,378,365.75/14,423.35
  6. Step 6: Final answer
    x = 11,674.01

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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.