Home / 19,011.80-26,235.81-10,514.40

Finding the Fourth Proportional to 19,011.80, 26,235.81 and 10,514.40

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Solution

The fourth proportional to 19,011.80, 26,235.81 and 10,514.40 is: 14,509.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.80 : 26,235.81 = 10,514.40 : x
  2. Step 2: Convert to fraction form
    19,011.80/26,235.81 = 10,514.40/x
  3. Step 3: Cross multiply
    19,011.80x = 26,235.81 × 10,514.40
  4. Step 4: Simplify right side
    19,011.80x = 275,853,800.66
  5. Step 5: Solve for x
    x = 275,853,800.66/19,011.80
  6. Step 6: Final answer
    x = 14,509.61

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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.