Home / 21,632.51-29,853.14-12,560.00

Finding the Fourth Proportional to 21,632.51, 29,853.14 and 12,560.00

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Solution

The fourth proportional to 21,632.51, 29,853.14 and 12,560.00 is: 17,332.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.51 : 29,853.14 = 12,560.00 : x
  2. Step 2: Convert to fraction form
    21,632.51/29,853.14 = 12,560.00/x
  3. Step 3: Cross multiply
    21,632.51x = 29,853.14 × 12,560.00
  4. Step 4: Simplify right side
    21,632.51x = 374,955,296.98
  5. Step 5: Solve for x
    x = 374,955,296.98/21,632.51
  6. Step 6: Final answer
    x = 17,332.96

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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.