Home / 15,475.17-21,373.32-10,430.69

Finding the Fourth Proportional to 15,475.17, 21,373.32 and 10,430.69

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Solution

The fourth proportional to 15,475.17, 21,373.32 and 10,430.69 is: 14,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475.17 : 21,373.32 = 10,430.69 : x
  2. Step 2: Convert to fraction form
    15,475.17/21,373.32 = 10,430.69/x
  3. Step 3: Cross multiply
    15,475.17x = 21,373.32 × 10,430.69
  4. Step 4: Simplify right side
    15,475.17x = 222,938,368.32
  5. Step 5: Solve for x
    x = 222,938,368.32/15,475.17
  6. Step 6: Final answer
    x = 14,406.20

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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.