Home / 20,095.18-27,715.35-12,925.91

Finding the Fourth Proportional to 20,095.18, 27,715.35 and 12,925.91

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Solution

The fourth proportional to 20,095.18, 27,715.35 and 12,925.91 is: 17,827.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,095.18 : 27,715.35 = 12,925.91 : x
  2. Step 2: Convert to fraction form
    20,095.18/27,715.35 = 12,925.91/x
  3. Step 3: Cross multiply
    20,095.18x = 27,715.35 × 12,925.91
  4. Step 4: Simplify right side
    20,095.18x = 358,246,175.18
  5. Step 5: Solve for x
    x = 358,246,175.18/20,095.18
  6. Step 6: Final answer
    x = 17,827.47

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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.