Home / 19,247.28-26,586.74-15,484.62

Finding the Fourth Proportional to 19,247.28, 26,586.74 and 15,484.62

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Solution

The fourth proportional to 19,247.28, 26,586.74 and 15,484.62 is: 21,389.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.28 : 26,586.74 = 15,484.62 : x
  2. Step 2: Convert to fraction form
    19,247.28/26,586.74 = 15,484.62/x
  3. Step 3: Cross multiply
    19,247.28x = 26,586.74 × 15,484.62
  4. Step 4: Simplify right side
    19,247.28x = 411,685,433.01
  5. Step 5: Solve for x
    x = 411,685,433.01/19,247.28
  6. Step 6: Final answer
    x = 21,389.28

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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.