Home / 22,148.98-30,565.15-12,077.47

Finding the Fourth Proportional to 22,148.98, 30,565.15 and 12,077.47

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Solution

The fourth proportional to 22,148.98, 30,565.15 and 12,077.47 is: 16,666.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,148.98 : 30,565.15 = 12,077.47 : x
  2. Step 2: Convert to fraction form
    22,148.98/30,565.15 = 12,077.47/x
  3. Step 3: Cross multiply
    22,148.98x = 30,565.15 × 12,077.47
  4. Step 4: Simplify right side
    22,148.98x = 369,149,690.18
  5. Step 5: Solve for x
    x = 369,149,690.18/22,148.98
  6. Step 6: Final answer
    x = 16,666.67

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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.