Home / 13,354.52-18,417.05-11,465.50

Finding the Fourth Proportional to 13,354.52, 18,417.05 and 11,465.50

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Solution

The fourth proportional to 13,354.52, 18,417.05 and 11,465.50 is: 15,811.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.52 : 18,417.05 = 11,465.50 : x
  2. Step 2: Convert to fraction form
    13,354.52/18,417.05 = 11,465.50/x
  3. Step 3: Cross multiply
    13,354.52x = 18,417.05 × 11,465.50
  4. Step 4: Simplify right side
    13,354.52x = 211,160,628.69
  5. Step 5: Solve for x
    x = 211,160,628.69/13,354.52
  6. Step 6: Final answer
    x = 15,811.92

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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.