Home / 42,259.08-63,389.70-14,557.08

Finding the Fourth Proportional to 42,259.08, 63,389.70 and 14,557.08

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Solution

The fourth proportional to 42,259.08, 63,389.70 and 14,557.08 is: 21,835.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,259.08 : 63,389.70 = 14,557.08 : x
  2. Step 2: Convert to fraction form
    42,259.08/63,389.70 = 14,557.08/x
  3. Step 3: Cross multiply
    42,259.08x = 63,389.70 × 14,557.08
  4. Step 4: Simplify right side
    42,259.08x = 922,768,934.08
  5. Step 5: Solve for x
    x = 922,768,934.08/42,259.08
  6. Step 6: Final answer
    x = 21,835.99

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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.