Home / 19,215.04-26,518.04-10,831.52

Finding the Fourth Proportional to 19,215.04, 26,518.04 and 10,831.52

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Solution

The fourth proportional to 19,215.04, 26,518.04 and 10,831.52 is: 14,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.04 : 26,518.04 = 10,831.52 : x
  2. Step 2: Convert to fraction form
    19,215.04/26,518.04 = 10,831.52/x
  3. Step 3: Cross multiply
    19,215.04x = 26,518.04 × 10,831.52
  4. Step 4: Simplify right side
    19,215.04x = 287,230,680.62
  5. Step 5: Solve for x
    x = 287,230,680.62/19,215.04
  6. Step 6: Final answer
    x = 14,948.22

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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.