Home / 13,246.24-19,774.56-12,784.52

Finding the Fourth Proportional to 13,246.24, 19,774.56 and 12,784.52

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Solution

The fourth proportional to 13,246.24, 19,774.56 and 12,784.52 is: 19,085.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.24 : 19,774.56 = 12,784.52 : x
  2. Step 2: Convert to fraction form
    13,246.24/19,774.56 = 12,784.52/x
  3. Step 3: Cross multiply
    13,246.24x = 19,774.56 × 12,784.52
  4. Step 4: Simplify right side
    13,246.24x = 252,808,257.81
  5. Step 5: Solve for x
    x = 252,808,257.81/13,246.24
  6. Step 6: Final answer
    x = 19,085.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.