Home / 18,485.34-25,509.73-10,527.56

Finding the Fourth Proportional to 18,485.34, 25,509.73 and 10,527.56

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Solution

The fourth proportional to 18,485.34, 25,509.73 and 10,527.56 is: 14,528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485.34 : 25,509.73 = 10,527.56 : x
  2. Step 2: Convert to fraction form
    18,485.34/25,509.73 = 10,527.56/x
  3. Step 3: Cross multiply
    18,485.34x = 25,509.73 × 10,527.56
  4. Step 4: Simplify right side
    18,485.34x = 268,555,213.16
  5. Step 5: Solve for x
    x = 268,555,213.16/18,485.34
  6. Step 6: Final answer
    x = 14,528.01

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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.