Home / 16,875.40-25,313.10-11,345.80

Finding the Fourth Proportional to 16,875.40, 25,313.10 and 11,345.80

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Solution

The fourth proportional to 16,875.40, 25,313.10 and 11,345.80 is: 17,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,875.40 : 25,313.10 = 11,345.80 : x
  2. Step 2: Convert to fraction form
    16,875.40/25,313.10 = 11,345.80/x
  3. Step 3: Cross multiply
    16,875.40x = 25,313.10 × 11,345.80
  4. Step 4: Simplify right side
    16,875.40x = 287,197,369.98
  5. Step 5: Solve for x
    x = 287,197,369.98/16,875.40
  6. Step 6: Final answer
    x = 17,018.70

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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.