Home / 27,432.40-37,856.58-14,857.12

Finding the Fourth Proportional to 27,432.40, 37,856.58 and 14,857.12

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Solution

The fourth proportional to 27,432.40, 37,856.58 and 14,857.12 is: 20,502.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,432.40 : 37,856.58 = 14,857.12 : x
  2. Step 2: Convert to fraction form
    27,432.40/37,856.58 = 14,857.12/x
  3. Step 3: Cross multiply
    27,432.40x = 37,856.58 × 14,857.12
  4. Step 4: Simplify right side
    27,432.40x = 562,439,751.85
  5. Step 5: Solve for x
    x = 562,439,751.85/27,432.40
  6. Step 6: Final answer
    x = 20,502.75

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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.