Home / 15,415.92-23,119.02-9,875.52

Finding the Fourth Proportional to 15,415.92, 23,119.02 and 9,875.52

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Solution

The fourth proportional to 15,415.92, 23,119.02 and 9,875.52 is: 14,810.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415.92 : 23,119.02 = 9,875.52 : x
  2. Step 2: Convert to fraction form
    15,415.92/23,119.02 = 9,875.52/x
  3. Step 3: Cross multiply
    15,415.92x = 23,119.02 × 9,875.52
  4. Step 4: Simplify right side
    15,415.92x = 228,312,344.39
  5. Step 5: Solve for x
    x = 228,312,344.39/15,415.92
  6. Step 6: Final answer
    x = 14,810.17

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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.