Home / 15,970.14-22,031.35-10,303.42

Finding the Fourth Proportional to 15,970.14, 22,031.35 and 10,303.42

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Solution

The fourth proportional to 15,970.14, 22,031.35 and 10,303.42 is: 14,213.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,970.14 : 22,031.35 = 10,303.42 : x
  2. Step 2: Convert to fraction form
    15,970.14/22,031.35 = 10,303.42/x
  3. Step 3: Cross multiply
    15,970.14x = 22,031.35 × 10,303.42
  4. Step 4: Simplify right side
    15,970.14x = 226,998,252.22
  5. Step 5: Solve for x
    x = 226,998,252.22/15,970.14
  6. Step 6: Final answer
    x = 14,213.92

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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.