Home / 29,988.61-45,012.07-14,417.17

Finding the Fourth Proportional to 29,988.61, 45,012.07 and 14,417.17

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Solution

The fourth proportional to 29,988.61, 45,012.07 and 14,417.17 is: 21,639.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,988.61 : 45,012.07 = 14,417.17 : x
  2. Step 2: Convert to fraction form
    29,988.61/45,012.07 = 14,417.17/x
  3. Step 3: Cross multiply
    29,988.61x = 45,012.07 × 14,417.17
  4. Step 4: Simplify right side
    29,988.61x = 648,946,665.24
  5. Step 5: Solve for x
    x = 648,946,665.24/29,988.61
  6. Step 6: Final answer
    x = 21,639.77

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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.