Home / 35,775.98-53,663.34-12,402.08

Finding the Fourth Proportional to 35,775.98, 53,663.34 and 12,402.08

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Solution

The fourth proportional to 35,775.98, 53,663.34 and 12,402.08 is: 18,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,775.98 : 53,663.34 = 12,402.08 : x
  2. Step 2: Convert to fraction form
    35,775.98/53,663.34 = 12,402.08/x
  3. Step 3: Cross multiply
    35,775.98x = 53,663.34 × 12,402.08
  4. Step 4: Simplify right side
    35,775.98x = 665,537,035.75
  5. Step 5: Solve for x
    x = 665,537,035.75/35,775.98
  6. Step 6: Final answer
    x = 18,602.90

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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.