Home / 14,881.34-20,528.42-11,338.40

Finding the Fourth Proportional to 14,881.34, 20,528.42 and 11,338.40

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Solution

The fourth proportional to 14,881.34, 20,528.42 and 11,338.40 is: 15,641.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,881.34 : 20,528.42 = 11,338.40 : x
  2. Step 2: Convert to fraction form
    14,881.34/20,528.42 = 11,338.40/x
  3. Step 3: Cross multiply
    14,881.34x = 20,528.42 × 11,338.40
  4. Step 4: Simplify right side
    14,881.34x = 232,759,437.33
  5. Step 5: Solve for x
    x = 232,759,437.33/14,881.34
  6. Step 6: Final answer
    x = 15,641.03

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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.