Home / 14,938.21-22,345.76-12,275.74

Finding the Fourth Proportional to 14,938.21, 22,345.76 and 12,275.74

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Solution

The fourth proportional to 14,938.21, 22,345.76 and 12,275.74 is: 18,363.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,938.21 : 22,345.76 = 12,275.74 : x
  2. Step 2: Convert to fraction form
    14,938.21/22,345.76 = 12,275.74/x
  3. Step 3: Cross multiply
    14,938.21x = 22,345.76 × 12,275.74
  4. Step 4: Simplify right side
    14,938.21x = 274,310,678.48
  5. Step 5: Solve for x
    x = 274,310,678.48/14,938.21
  6. Step 6: Final answer
    x = 18,363.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.