Home / 19,151.49-26,429.59-10,653.88

Finding the Fourth Proportional to 19,151.49, 26,429.59 and 10,653.88

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Solution

The fourth proportional to 19,151.49, 26,429.59 and 10,653.88 is: 14,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.49 : 26,429.59 = 10,653.88 : x
  2. Step 2: Convert to fraction form
    19,151.49/26,429.59 = 10,653.88/x
  3. Step 3: Cross multiply
    19,151.49x = 26,429.59 × 10,653.88
  4. Step 4: Simplify right side
    19,151.49x = 281,577,677.11
  5. Step 5: Solve for x
    x = 281,577,677.11/19,151.49
  6. Step 6: Final answer
    x = 14,702.65

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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.