Home / 39,603.60-59,412.15-14,643.72

Finding the Fourth Proportional to 39,603.60, 59,412.15 and 14,643.72

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Solution

The fourth proportional to 39,603.60, 59,412.15 and 14,643.72 is: 21,968.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,603.60 : 59,412.15 = 14,643.72 : x
  2. Step 2: Convert to fraction form
    39,603.60/59,412.15 = 14,643.72/x
  3. Step 3: Cross multiply
    39,603.60x = 59,412.15 × 14,643.72
  4. Step 4: Simplify right side
    39,603.60x = 870,014,889.20
  5. Step 5: Solve for x
    x = 870,014,889.20/39,603.60
  6. Step 6: Final answer
    x = 21,968.08

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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.