Home / 42,376.02-63,563.58-10,355.40

Finding the Fourth Proportional to 42,376.02, 63,563.58 and 10,355.40

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Solution

The fourth proportional to 42,376.02, 63,563.58 and 10,355.40 is: 15,532.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,376.02 : 63,563.58 = 10,355.40 : x
  2. Step 2: Convert to fraction form
    42,376.02/63,563.58 = 10,355.40/x
  3. Step 3: Cross multiply
    42,376.02x = 63,563.58 × 10,355.40
  4. Step 4: Simplify right side
    42,376.02x = 658,226,296.33
  5. Step 5: Solve for x
    x = 658,226,296.33/42,376.02
  6. Step 6: Final answer
    x = 15,532.99

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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.