Home / 14,875.61-20,511.51-9,490.84

Finding the Fourth Proportional to 14,875.61, 20,511.51 and 9,490.84

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Solution

The fourth proportional to 14,875.61, 20,511.51 and 9,490.84 is: 13,086.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.61 : 20,511.51 = 9,490.84 : x
  2. Step 2: Convert to fraction form
    14,875.61/20,511.51 = 9,490.84/x
  3. Step 3: Cross multiply
    14,875.61x = 20,511.51 × 9,490.84
  4. Step 4: Simplify right side
    14,875.61x = 194,671,510.85
  5. Step 5: Solve for x
    x = 194,671,510.85/14,875.61
  6. Step 6: Final answer
    x = 13,086.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.