Home / 16,807.80-23,215.14-12,325.08

Finding the Fourth Proportional to 16,807.80, 23,215.14 and 12,325.08

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Solution

The fourth proportional to 16,807.80, 23,215.14 and 12,325.08 is: 17,023.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,807.80 : 23,215.14 = 12,325.08 : x
  2. Step 2: Convert to fraction form
    16,807.80/23,215.14 = 12,325.08/x
  3. Step 3: Cross multiply
    16,807.80x = 23,215.14 × 12,325.08
  4. Step 4: Simplify right side
    16,807.80x = 286,128,457.71
  5. Step 5: Solve for x
    x = 286,128,457.71/16,807.80
  6. Step 6: Final answer
    x = 17,023.55

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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.