Home / 24,719.79-34,113.30-13,389.36

Finding the Fourth Proportional to 24,719.79, 34,113.30 and 13,389.36

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Solution

The fourth proportional to 24,719.79, 34,113.30 and 13,389.36 is: 18,477.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,719.79 : 34,113.30 = 13,389.36 : x
  2. Step 2: Convert to fraction form
    24,719.79/34,113.30 = 13,389.36/x
  3. Step 3: Cross multiply
    24,719.79x = 34,113.30 × 13,389.36
  4. Step 4: Simplify right side
    24,719.79x = 456,755,254.49
  5. Step 5: Solve for x
    x = 456,755,254.49/24,719.79
  6. Step 6: Final answer
    x = 18,477.31

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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.