Home / 20,527.91-28,328.51-11,096.48

Finding the Fourth Proportional to 20,527.91, 28,328.51 and 11,096.48

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Solution

The fourth proportional to 20,527.91, 28,328.51 and 11,096.48 is: 15,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.91 : 28,328.51 = 11,096.48 : x
  2. Step 2: Convert to fraction form
    20,527.91/28,328.51 = 11,096.48/x
  3. Step 3: Cross multiply
    20,527.91x = 28,328.51 × 11,096.48
  4. Step 4: Simplify right side
    20,527.91x = 314,346,547.52
  5. Step 5: Solve for x
    x = 314,346,547.52/20,527.91
  6. Step 6: Final answer
    x = 15,313.13

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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.