Home / 15,875.55-23,813.10-5,347.89

Finding the Fourth Proportional to 15,875.55, 23,813.10 and 5,347.89

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Solution

The fourth proportional to 15,875.55, 23,813.10 and 5,347.89 is: 8,021.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,875.55 : 23,813.10 = 5,347.89 : x
  2. Step 2: Convert to fraction form
    15,875.55/23,813.10 = 5,347.89/x
  3. Step 3: Cross multiply
    15,875.55x = 23,813.10 × 5,347.89
  4. Step 4: Simplify right side
    15,875.55x = 127,349,839.36
  5. Step 5: Solve for x
    x = 127,349,839.36/15,875.55
  6. Step 6: Final answer
    x = 8,021.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.