Home / 19,417.86-26,805.68-14,639.74

Finding the Fourth Proportional to 19,417.86, 26,805.68 and 14,639.74

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Solution

The fourth proportional to 19,417.86, 26,805.68 and 14,639.74 is: 20,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.86 : 26,805.68 = 14,639.74 : x
  2. Step 2: Convert to fraction form
    19,417.86/26,805.68 = 14,639.74/x
  3. Step 3: Cross multiply
    19,417.86x = 26,805.68 × 14,639.74
  4. Step 4: Simplify right side
    19,417.86x = 392,428,146.03
  5. Step 5: Solve for x
    x = 392,428,146.03/19,417.86
  6. Step 6: Final answer
    x = 20,209.65

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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.