Home / 25,877.52-35,711.76-15,276.24

Finding the Fourth Proportional to 25,877.52, 35,711.76 and 15,276.24

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Solution

The fourth proportional to 25,877.52, 35,711.76 and 15,276.24 is: 21,081.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,877.52 : 35,711.76 = 15,276.24 : x
  2. Step 2: Convert to fraction form
    25,877.52/35,711.76 = 15,276.24/x
  3. Step 3: Cross multiply
    25,877.52x = 35,711.76 × 15,276.24
  4. Step 4: Simplify right side
    25,877.52x = 545,541,416.58
  5. Step 5: Solve for x
    x = 545,541,416.58/25,877.52
  6. Step 6: Final answer
    x = 21,081.67

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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.