Home / 22,125.84-30,531.02-12,565.67

Finding the Fourth Proportional to 22,125.84, 30,531.02 and 12,565.67

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Solution

The fourth proportional to 22,125.84, 30,531.02 and 12,565.67 is: 17,339.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,125.84 : 30,531.02 = 12,565.67 : x
  2. Step 2: Convert to fraction form
    22,125.84/30,531.02 = 12,565.67/x
  3. Step 3: Cross multiply
    22,125.84x = 30,531.02 × 12,565.67
  4. Step 4: Simplify right side
    22,125.84x = 383,642,600.84
  5. Step 5: Solve for x
    x = 383,642,600.84/22,125.84
  6. Step 6: Final answer
    x = 17,339.12

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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.