Home / 13,527.07-18,674.36-9,328.03

Finding the Fourth Proportional to 13,527.07, 18,674.36 and 9,328.03

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Solution

The fourth proportional to 13,527.07, 18,674.36 and 9,328.03 is: 12,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.07 : 18,674.36 = 9,328.03 : x
  2. Step 2: Convert to fraction form
    13,527.07/18,674.36 = 9,328.03/x
  3. Step 3: Cross multiply
    13,527.07x = 18,674.36 × 9,328.03
  4. Step 4: Simplify right side
    13,527.07x = 174,194,990.31
  5. Step 5: Solve for x
    x = 174,194,990.31/13,527.07
  6. Step 6: Final answer
    x = 12,877.51

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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.