Home / 19,432.85-26,830.24-14,948.69

Finding the Fourth Proportional to 19,432.85, 26,830.24 and 14,948.69

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Solution

The fourth proportional to 19,432.85, 26,830.24 and 14,948.69 is: 20,639.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.85 : 26,830.24 = 14,948.69 : x
  2. Step 2: Convert to fraction form
    19,432.85/26,830.24 = 14,948.69/x
  3. Step 3: Cross multiply
    19,432.85x = 26,830.24 × 14,948.69
  4. Step 4: Simplify right side
    19,432.85x = 401,076,768.86
  5. Step 5: Solve for x
    x = 401,076,768.86/19,432.85
  6. Step 6: Final answer
    x = 20,639.12

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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.