Home / 13,875.64-19,148.40-7,588.02

Finding the Fourth Proportional to 13,875.64, 19,148.40 and 7,588.02

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Solution

The fourth proportional to 13,875.64, 19,148.40 and 7,588.02 is: 10,471.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,875.64 : 19,148.40 = 7,588.02 : x
  2. Step 2: Convert to fraction form
    13,875.64/19,148.40 = 7,588.02/x
  3. Step 3: Cross multiply
    13,875.64x = 19,148.40 × 7,588.02
  4. Step 4: Simplify right side
    13,875.64x = 145,298,442.17
  5. Step 5: Solve for x
    x = 145,298,442.17/13,875.64
  6. Step 6: Final answer
    x = 10,471.48

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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.