Home / 15,417.56-21,271.01-10,037.54

Finding the Fourth Proportional to 15,417.56, 21,271.01 and 10,037.54

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Solution

The fourth proportional to 15,417.56, 21,271.01 and 10,037.54 is: 13,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,417.56 : 21,271.01 = 10,037.54 : x
  2. Step 2: Convert to fraction form
    15,417.56/21,271.01 = 10,037.54/x
  3. Step 3: Cross multiply
    15,417.56x = 21,271.01 × 10,037.54
  4. Step 4: Simplify right side
    15,417.56x = 213,508,457.17
  5. Step 5: Solve for x
    x = 213,508,457.17/15,417.56
  6. Step 6: Final answer
    x = 13,848.40

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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.