Home / 13,848.66-19,111.20-7,561.14

Finding the Fourth Proportional to 13,848.66, 19,111.20 and 7,561.14

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Solution

The fourth proportional to 13,848.66, 19,111.20 and 7,561.14 is: 10,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.66 : 19,111.20 = 7,561.14 : x
  2. Step 2: Convert to fraction form
    13,848.66/19,111.20 = 7,561.14/x
  3. Step 3: Cross multiply
    13,848.66x = 19,111.20 × 7,561.14
  4. Step 4: Simplify right side
    13,848.66x = 144,502,458.77
  5. Step 5: Solve for x
    x = 144,502,458.77/13,848.66
  6. Step 6: Final answer
    x = 10,434.40

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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.