Home / 15,675.84-23,457.62-13,574.75

Finding the Fourth Proportional to 15,675.84, 23,457.62 and 13,574.75

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Solution

The fourth proportional to 15,675.84, 23,457.62 and 13,574.75 is: 20,313.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,675.84 : 23,457.62 = 13,574.75 : x
  2. Step 2: Convert to fraction form
    15,675.84/23,457.62 = 13,574.75/x
  3. Step 3: Cross multiply
    15,675.84x = 23,457.62 × 13,574.75
  4. Step 4: Simplify right side
    15,675.84x = 318,431,243.74
  5. Step 5: Solve for x
    x = 318,431,243.74/15,675.84
  6. Step 6: Final answer
    x = 20,313.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.