Home / 15,875.69-21,898.46-10,217.76

Finding the Fourth Proportional to 15,875.69, 21,898.46 and 10,217.76

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Solution

The fourth proportional to 15,875.69, 21,898.46 and 10,217.76 is: 14,094.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,875.69 : 21,898.46 = 10,217.76 : x
  2. Step 2: Convert to fraction form
    15,875.69/21,898.46 = 10,217.76/x
  3. Step 3: Cross multiply
    15,875.69x = 21,898.46 × 10,217.76
  4. Step 4: Simplify right side
    15,875.69x = 223,753,157.56
  5. Step 5: Solve for x
    x = 223,753,157.56/15,875.69
  6. Step 6: Final answer
    x = 14,094.08

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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.