Home / 42,897.14-64,354.32-14,818.22

Finding the Fourth Proportional to 42,897.14, 64,354.32 and 14,818.22

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Solution

The fourth proportional to 42,897.14, 64,354.32 and 14,818.22 is: 22,230.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,897.14 : 64,354.32 = 14,818.22 : x
  2. Step 2: Convert to fraction form
    42,897.14/64,354.32 = 14,818.22/x
  3. Step 3: Cross multiply
    42,897.14x = 64,354.32 × 14,818.22
  4. Step 4: Simplify right side
    42,897.14x = 953,616,632.60
  5. Step 5: Solve for x
    x = 953,616,632.60/42,897.14
  6. Step 6: Final answer
    x = 22,230.31

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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.