Home / 14,070.24-19,390.32-12,175.92

Finding the Fourth Proportional to 14,070.24, 19,390.32 and 12,175.92

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Solution

The fourth proportional to 14,070.24, 19,390.32 and 12,175.92 is: 16,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.24 : 19,390.32 = 12,175.92 : x
  2. Step 2: Convert to fraction form
    14,070.24/19,390.32 = 12,175.92/x
  3. Step 3: Cross multiply
    14,070.24x = 19,390.32 × 12,175.92
  4. Step 4: Simplify right side
    14,070.24x = 236,094,985.09
  5. Step 5: Solve for x
    x = 236,094,985.09/14,070.24
  6. Step 6: Final answer
    x = 16,779.74

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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.