Home / 13,013.84-19,528.53-11,955.11

Finding the Fourth Proportional to 13,013.84, 19,528.53 and 11,955.11

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Solution

The fourth proportional to 13,013.84, 19,528.53 and 11,955.11 is: 17,939.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.84 : 19,528.53 = 11,955.11 : x
  2. Step 2: Convert to fraction form
    13,013.84/19,528.53 = 11,955.11/x
  3. Step 3: Cross multiply
    13,013.84x = 19,528.53 × 11,955.11
  4. Step 4: Simplify right side
    13,013.84x = 233,465,751.34
  5. Step 5: Solve for x
    x = 233,465,751.34/13,013.84
  6. Step 6: Final answer
    x = 17,939.81

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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.