Home / 15,697.17-21,667.77-10,393.70

Finding the Fourth Proportional to 15,697.17, 21,667.77 and 10,393.70

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Solution

The fourth proportional to 15,697.17, 21,667.77 and 10,393.70 is: 14,347.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,697.17 : 21,667.77 = 10,393.70 : x
  2. Step 2: Convert to fraction form
    15,697.17/21,667.77 = 10,393.70/x
  3. Step 3: Cross multiply
    15,697.17x = 21,667.77 × 10,393.70
  4. Step 4: Simplify right side
    15,697.17x = 225,208,192.71
  5. Step 5: Solve for x
    x = 225,208,192.71/15,697.17
  6. Step 6: Final answer
    x = 14,347.06

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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.