Home / 19,457.42-26,857.58-14,420.03

Finding the Fourth Proportional to 19,457.42, 26,857.58 and 14,420.03

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Solution

The fourth proportional to 19,457.42, 26,857.58 and 14,420.03 is: 19,904.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,457.42 : 26,857.58 = 14,420.03 : x
  2. Step 2: Convert to fraction form
    19,457.42/26,857.58 = 14,420.03/x
  3. Step 3: Cross multiply
    19,457.42x = 26,857.58 × 14,420.03
  4. Step 4: Simplify right side
    19,457.42x = 387,286,902.94
  5. Step 5: Solve for x
    x = 387,286,902.94/19,457.42
  6. Step 6: Final answer
    x = 19,904.33

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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.