Home / 19,263.85-26,587.16-11,712.55

Finding the Fourth Proportional to 19,263.85, 26,587.16 and 11,712.55

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Solution

The fourth proportional to 19,263.85, 26,587.16 and 11,712.55 is: 16,165.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,263.85 : 26,587.16 = 11,712.55 : x
  2. Step 2: Convert to fraction form
    19,263.85/26,587.16 = 11,712.55/x
  3. Step 3: Cross multiply
    19,263.85x = 26,587.16 × 11,712.55
  4. Step 4: Simplify right side
    19,263.85x = 311,403,440.86
  5. Step 5: Solve for x
    x = 311,403,440.86/19,263.85
  6. Step 6: Final answer
    x = 16,165.17

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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.