Home / 13,955.68-19,258.72-7,668.16

Finding the Fourth Proportional to 13,955.68, 19,258.72 and 7,668.16

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Solution

The fourth proportional to 13,955.68, 19,258.72 and 7,668.16 is: 10,582.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.68 : 19,258.72 = 7,668.16 : x
  2. Step 2: Convert to fraction form
    13,955.68/19,258.72 = 7,668.16/x
  3. Step 3: Cross multiply
    13,955.68x = 19,258.72 × 7,668.16
  4. Step 4: Simplify right side
    13,955.68x = 147,678,946.36
  5. Step 5: Solve for x
    x = 147,678,946.36/13,955.68
  6. Step 6: Final answer
    x = 10,582.00

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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.