Home / 19,332.12-26,668.64-12,247.32

Finding the Fourth Proportional to 19,332.12, 26,668.64 and 12,247.32

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Solution

The fourth proportional to 19,332.12, 26,668.64 and 12,247.32 is: 16,895.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.12 : 26,668.64 = 12,247.32 : x
  2. Step 2: Convert to fraction form
    19,332.12/26,668.64 = 12,247.32/x
  3. Step 3: Cross multiply
    19,332.12x = 26,668.64 × 12,247.32
  4. Step 4: Simplify right side
    19,332.12x = 326,619,368.04
  5. Step 5: Solve for x
    x = 326,619,368.04/19,332.12
  6. Step 6: Final answer
    x = 16,895.17

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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.