Home / 14,921.40-22,388.16-7,528

Finding the Fourth Proportional to 14,921.40, 22,388.16 and 7,528

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Solution

The fourth proportional to 14,921.40, 22,388.16 and 7,528 is: 11,295.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,921.40 : 22,388.16 = 7,528 : x
  2. Step 2: Convert to fraction form
    14,921.40/22,388.16 = 7,528/x
  3. Step 3: Cross multiply
    14,921.40x = 22,388.16 × 7,528
  4. Step 4: Simplify right side
    14,921.40x = 168,538,068.48
  5. Step 5: Solve for x
    x = 168,538,068.48/14,921.40
  6. Step 6: Final answer
    x = 11,295.06

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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.