Home / 42,590.03-63,891.90-13,000.93

Finding the Fourth Proportional to 42,590.03, 63,891.90 and 13,000.93

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Solution

The fourth proportional to 42,590.03, 63,891.90 and 13,000.93 is: 19,503.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,590.03 : 63,891.90 = 13,000.93 : x
  2. Step 2: Convert to fraction form
    42,590.03/63,891.90 = 13,000.93/x
  3. Step 3: Cross multiply
    42,590.03x = 63,891.90 × 13,000.93
  4. Step 4: Simplify right side
    42,590.03x = 830,654,119.47
  5. Step 5: Solve for x
    x = 830,654,119.47/42,590.03
  6. Step 6: Final answer
    x = 19,503.49

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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.