Home / 23,018.04-31,764.58-12,946.47

Finding the Fourth Proportional to 23,018.04, 31,764.58 and 12,946.47

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Solution

The fourth proportional to 23,018.04, 31,764.58 and 12,946.47 is: 17,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,018.04 : 31,764.58 = 12,946.47 : x
  2. Step 2: Convert to fraction form
    23,018.04/31,764.58 = 12,946.47/x
  3. Step 3: Cross multiply
    23,018.04x = 31,764.58 × 12,946.47
  4. Step 4: Simplify right side
    23,018.04x = 411,239,196.71
  5. Step 5: Solve for x
    x = 411,239,196.71/23,018.04
  6. Step 6: Final answer
    x = 17,865.95

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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.