Home / 15,675.47-23,457.06-13,574.37

Finding the Fourth Proportional to 15,675.47, 23,457.06 and 13,574.37

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Solution

The fourth proportional to 15,675.47, 23,457.06 and 13,574.37 is: 20,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,675.47 : 23,457.06 = 13,574.37 : x
  2. Step 2: Convert to fraction form
    15,675.47/23,457.06 = 13,574.37/x
  3. Step 3: Cross multiply
    15,675.47x = 23,457.06 × 13,574.37
  4. Step 4: Simplify right side
    15,675.47x = 318,414,811.55
  5. Step 5: Solve for x
    x = 318,414,811.55/15,675.47
  6. Step 6: Final answer
    x = 20,312.94

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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.