Home / 42,602.23-63,903.36-11,437.48

Finding the Fourth Proportional to 42,602.23, 63,903.36 and 11,437.48

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Solution

The fourth proportional to 42,602.23, 63,903.36 and 11,437.48 is: 17,156.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,602.23 : 63,903.36 = 11,437.48 : x
  2. Step 2: Convert to fraction form
    42,602.23/63,903.36 = 11,437.48/x
  3. Step 3: Cross multiply
    42,602.23x = 63,903.36 × 11,437.48
  4. Step 4: Simplify right side
    42,602.23x = 730,893,401.93
  5. Step 5: Solve for x
    x = 730,893,401.93/42,602.23
  6. Step 6: Final answer
    x = 17,156.22

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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.