Home / 18,875.08-26,038.02-12,576.52

Finding the Fourth Proportional to 18,875.08, 26,038.02 and 12,576.52

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Solution

The fourth proportional to 18,875.08, 26,038.02 and 12,576.52 is: 17,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.08 : 26,038.02 = 12,576.52 : x
  2. Step 2: Convert to fraction form
    18,875.08/26,038.02 = 12,576.52/x
  3. Step 3: Cross multiply
    18,875.08x = 26,038.02 × 12,576.52
  4. Step 4: Simplify right side
    18,875.08x = 327,467,679.29
  5. Step 5: Solve for x
    x = 327,467,679.29/18,875.08
  6. Step 6: Final answer
    x = 17,349.21

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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.