Home / 22,157.19-30,582.72-12,602.67

Finding the Fourth Proportional to 22,157.19, 30,582.72 and 12,602.67

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Solution

The fourth proportional to 22,157.19, 30,582.72 and 12,602.67 is: 17,394.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157.19 : 30,582.72 = 12,602.67 : x
  2. Step 2: Convert to fraction form
    22,157.19/30,582.72 = 12,602.67/x
  3. Step 3: Cross multiply
    22,157.19x = 30,582.72 × 12,602.67
  4. Step 4: Simplify right side
    22,157.19x = 385,423,927.86
  5. Step 5: Solve for x
    x = 385,423,927.86/22,157.19
  6. Step 6: Final answer
    x = 17,394.98

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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.