Home / 14,005.05-19,325.22-9,477.63

Finding the Fourth Proportional to 14,005.05, 19,325.22 and 9,477.63

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Solution

The fourth proportional to 14,005.05, 19,325.22 and 9,477.63 is: 13,077.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.05 : 19,325.22 = 9,477.63 : x
  2. Step 2: Convert to fraction form
    14,005.05/19,325.22 = 9,477.63/x
  3. Step 3: Cross multiply
    14,005.05x = 19,325.22 × 9,477.63
  4. Step 4: Simplify right side
    14,005.05x = 183,157,284.83
  5. Step 5: Solve for x
    x = 183,157,284.83/14,005.05
  6. Step 6: Final answer
    x = 13,077.95

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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.