Home / 13,733.28-18,951.95-7,445.65

Finding the Fourth Proportional to 13,733.28, 18,951.95 and 7,445.65

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Solution

The fourth proportional to 13,733.28, 18,951.95 and 7,445.65 is: 10,275.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.28 : 18,951.95 = 7,445.65 : x
  2. Step 2: Convert to fraction form
    13,733.28/18,951.95 = 7,445.65/x
  3. Step 3: Cross multiply
    13,733.28x = 18,951.95 × 7,445.65
  4. Step 4: Simplify right side
    13,733.28x = 141,109,586.52
  5. Step 5: Solve for x
    x = 141,109,586.52/13,733.28
  6. Step 6: Final answer
    x = 10,275.01

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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.