Home / 15,988.34-22,074.80-10,336.76

Finding the Fourth Proportional to 15,988.34, 22,074.80 and 10,336.76

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Solution

The fourth proportional to 15,988.34, 22,074.80 and 10,336.76 is: 14,271.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.34 : 22,074.80 = 10,336.76 : x
  2. Step 2: Convert to fraction form
    15,988.34/22,074.80 = 10,336.76/x
  3. Step 3: Cross multiply
    15,988.34x = 22,074.80 × 10,336.76
  4. Step 4: Simplify right side
    15,988.34x = 228,182,041.76
  5. Step 5: Solve for x
    x = 228,182,041.76/15,988.34
  6. Step 6: Final answer
    x = 14,271.78

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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.