Home / 13,864.64-19,133.69-7,897.23

Finding the Fourth Proportional to 13,864.64, 19,133.69 and 7,897.23

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Solution

The fourth proportional to 13,864.64, 19,133.69 and 7,897.23 is: 10,898.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.64 : 19,133.69 = 7,897.23 : x
  2. Step 2: Convert to fraction form
    13,864.64/19,133.69 = 7,897.23/x
  3. Step 3: Cross multiply
    13,864.64x = 19,133.69 × 7,897.23
  4. Step 4: Simplify right side
    13,864.64x = 151,103,111.19
  5. Step 5: Solve for x
    x = 151,103,111.19/13,864.64
  6. Step 6: Final answer
    x = 10,898.46

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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.