Home / 19,312.45-26,663.22-14,827.28

Finding the Fourth Proportional to 19,312.45, 26,663.22 and 14,827.28

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Solution

The fourth proportional to 19,312.45, 26,663.22 and 14,827.28 is: 20,470.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.45 : 26,663.22 = 14,827.28 : x
  2. Step 2: Convert to fraction form
    19,312.45/26,663.22 = 14,827.28/x
  3. Step 3: Cross multiply
    19,312.45x = 26,663.22 × 14,827.28
  4. Step 4: Simplify right side
    19,312.45x = 395,342,895.33
  5. Step 5: Solve for x
    x = 395,342,895.33/19,312.45
  6. Step 6: Final answer
    x = 20,470.89

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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.