Home / 19,259.08-26,590.32-12,893.88

Finding the Fourth Proportional to 19,259.08, 26,590.32 and 12,893.88

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Solution

The fourth proportional to 19,259.08, 26,590.32 and 12,893.88 is: 17,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259.08 : 26,590.32 = 12,893.88 : x
  2. Step 2: Convert to fraction form
    19,259.08/26,590.32 = 12,893.88/x
  3. Step 3: Cross multiply
    19,259.08x = 26,590.32 × 12,893.88
  4. Step 4: Simplify right side
    19,259.08x = 342,852,395.24
  5. Step 5: Solve for x
    x = 342,852,395.24/19,259.08
  6. Step 6: Final answer
    x = 17,802.12

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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.