Home / 13,527.80-18,669.23-7,559.50

Finding the Fourth Proportional to 13,527.80, 18,669.23 and 7,559.50

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Solution

The fourth proportional to 13,527.80, 18,669.23 and 7,559.50 is: 10,432.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.80 : 18,669.23 = 7,559.50 : x
  2. Step 2: Convert to fraction form
    13,527.80/18,669.23 = 7,559.50/x
  3. Step 3: Cross multiply
    13,527.80x = 18,669.23 × 7,559.50
  4. Step 4: Simplify right side
    13,527.80x = 141,129,913.04
  5. Step 5: Solve for x
    x = 141,129,913.04/13,527.80
  6. Step 6: Final answer
    x = 10,432.59

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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.