Home / 19,587.56-29,389.74-10,828.76

Finding the Fourth Proportional to 19,587.56, 29,389.74 and 10,828.76

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Solution

The fourth proportional to 19,587.56, 29,389.74 and 10,828.76 is: 16,247.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.56 : 29,389.74 = 10,828.76 : x
  2. Step 2: Convert to fraction form
    19,587.56/29,389.74 = 10,828.76/x
  3. Step 3: Cross multiply
    19,587.56x = 29,389.74 × 10,828.76
  4. Step 4: Simplify right side
    19,587.56x = 318,254,440.92
  5. Step 5: Solve for x
    x = 318,254,440.92/19,587.56
  6. Step 6: Final answer
    x = 16,247.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.