Home / 22,511.84-31,068.74-12,952.14

Finding the Fourth Proportional to 22,511.84, 31,068.74 and 12,952.14

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Solution

The fourth proportional to 22,511.84, 31,068.74 and 12,952.14 is: 17,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,511.84 : 31,068.74 = 12,952.14 : x
  2. Step 2: Convert to fraction form
    22,511.84/31,068.74 = 12,952.14/x
  3. Step 3: Cross multiply
    22,511.84x = 31,068.74 × 12,952.14
  4. Step 4: Simplify right side
    22,511.84x = 402,406,600.50
  5. Step 5: Solve for x
    x = 402,406,600.50/22,511.84
  6. Step 6: Final answer
    x = 17,875.34

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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.