Home / 14,364.77-19,823.85-8,700.57

Finding the Fourth Proportional to 14,364.77, 19,823.85 and 8,700.57

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Solution

The fourth proportional to 14,364.77, 19,823.85 and 8,700.57 is: 12,007.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,364.77 : 19,823.85 = 8,700.57 : x
  2. Step 2: Convert to fraction form
    14,364.77/19,823.85 = 8,700.57/x
  3. Step 3: Cross multiply
    14,364.77x = 19,823.85 × 8,700.57
  4. Step 4: Simplify right side
    14,364.77x = 172,478,794.59
  5. Step 5: Solve for x
    x = 172,478,794.59/14,364.77
  6. Step 6: Final answer
    x = 12,007.07

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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.